Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7553211 | System and method for controlling the operation of toys A system and method for controlling toy vehicles has a plurality of pads coupled to a central station. Switches in the pads may be closed to select toy vehicles and the operation of motors for moving the vehicles forwardly, rearwardly, to the left and to the right a... | 06/30/2009 |
| 7075975 | Fast adaptive transceiver architecture with symmetric preamble design Each of first and second stations, in communicating with the other station, provides a preamble including forward link parameters and reverse link parameters. The forward link parameters in each preamble for each individual station are provided for each station in a... | 07/11/2006 |
| 7050479 | System for, and method of, providing frequency hopping Successive packets of signals representing data are transmitted at progressive (hopping) frequencies from a controlled (e.g. transmitting) station to a controlling (e.g. receiving) station which processes the signals to recover the data. The frequencies of the signa... | 05/23/2006 |
| 6990139 | System for, method of, transmitting data from a transmitter to a receiver and recovering the data at the receiver Data at a transmitter is modulated, in accordance with instructions from a receiver, to provide M different modulations in successive sequences. N spreading codes are also provided in successive sequences at the transmitter, in accordance with instructions from the ... | 01/24/2006 |
| 6976180 | Personal electronics device First (embedded) and second (non-embedded) processors are energized by an energy source in a hand-held device. The second processor performs functions requiring more power than those performed by the first processor. The second processor is normally asleep and is aw... | 12/13/2005 |
| 6952439 | System for, and method of, transmitting data from a transmitter to a receiver and recovering the data at the receiver Data at a transmitter is modulated, in accordance with instructions from a receiver, to provide M different modulations in successive sequences. N spreading codes are also provided in successive sequences at the transmitter, in accordance with instructions from the ... | 10/04/2005 |
| 6875136 | System for, and method of popping upwardly an element on a T-ball mechanism A transmitter in a member (e.g. bat) transmits signals when a switch on the bat is pressed. A pop-up apparatus receives the signals. A member in the apparatus prevents an element (e.g. ball) from being popped upwardly in a first positioning of the member and provide... | 04/05/2005 |
| 6783638 | Flat magnetron An electric field is provided in a first direction between an anode and a target having a flat disposition. A magnetic field is provided such that the magnetic flux lines are in a second direction substantially perpendicular to the first direction. The magnet struct... | 08/31/2004 |
| 6695723 | Apparatus for, and method of, positioning movable elements on a T-ball mechanism for propulsion A propulsion member (e.g. a bat) has an external switch and an internally disposed transistor which transmits signals when the switch is manually closed. A receiver in a tee mechanism receives the signals and causes a tee in the mechanism to move upwardly... | 02/24/2004 |
| 6666746 | Control system for, and method of, operating toy vehicles Each of first vehicles has an individual address dependent upon an insertion of a selective one of different keys into a socket in the vehicle. Each vehicle is movable in any desired direction on a first support structure formed by intercoupling male dete... | 12/23/2003 |
| 6666743 | Spinning top A hollow rotatable member preferably made from a clear plastic material and a hollow cover are attached to each other in a spinning top. A ring is disposed within the top on the cover at a position of the top's substantially maximum diameter to provide st... | 12/23/2003 |
| 6656012 | System and method for communicating with and controlling toy accessories Switches in pads may be closed to select toy vehicles and operate motors in the vehicles for moving (a) the vehicles in any direction and (b) a bin holding transportable elements (e.g. marbles). A central station interrogates the pads, forms packets of si... | 12/02/2003 |
| 6626807 | Exercise equipment In one preferred embodiment, first and second platforms are respectively provided for supporting a user's arms and knees. Rollers on the bottom surface of at least one of the units facilitate relative movements between the units. A detent may extend from ... | 09/30/2003 |
| 6492645 | System for, and method of, irradiating articles to sterilize the articles A first robotic assembly transfers articles from carriers on a transport mechanism at a loading area to a first load conveyor. The conveyor transfers the articles to a process conveyor which moves the articles through a target region at a substantially co... | 12/10/2002 |
| 6450856 | Control system for, and method of, operating toy vehicles Each of first vehicles has an individual address dependent upon an insertion of a selective one of different keys into a socket in the vehicle. Each vehicle is movable in any desired direction on a first support structure formed by intercoupling male dete... | 09/17/2002 |
| 6405444 | Apparatus for drawing boundary lines on a play surface A hollow handle portion and a hollow barrel portion communicate with each other in a hollow housing. A first detent in the barrel portion has a first relationship for retaining a chalk in the barrel portion and a second relationship for releasing the chal... | 06/18/2002 |
| 6371871 | Member for providing a controlled propulsion of elements toward the member by propulsion apparatus A member (e.g. baseball bat) including a switch manually operable to obtain the transmission of signals by a transmitter in the member to an apparatus for propelling an element (e.g. ball) toward an individual holding the member. The element is propelled ... | 04/16/2002 |
| 6345591 | Animal carrier A pet carrier, expandable to hold a pet and collapsible to suitcase size, includes a pair of platforms and first and second pairs of spaced walls. The first walls (e.g. front, rear) are pivotably attached at opposite ends to the platforms and are hinged a... | 02/12/2002 |
| 6294791 | Article irradiation system having intermediate wall of radiation shielding material within loop of a conveyor system that transports the articles An article irradiation system includes (1) a radiation source for scanning a target region with radiation, (2) a conveyor system including a process conveyor positioned for transporting articles in a given direction through the target region, and (3) radi... | 09/25/2001 |
| 6238265 | Remote control system for operating toys When manually closed, switches in pads select toy vehicles and the operation of motors for moving the vehicles forwardly, rearwardly, leftwardly and rightwardly and moving upwardly and downwardly (and rightwardly and leftwardly) a receptacle for holding t... | 05/29/2001 |
| 6235172 | System for and method of providing a controlled deposition on wafers A robotic arm assembly in a transport module is expansible to have an effector at its end receive a substrate in a cassette module and is then contracted and rotated with the effector to have the effector face a process module. Planets on a turntable in t... | 05/22/2001 |
| 6236055 | Article irradiation system having intermediate wall of radiation shielding material within loop of a conveyor system that transports the articles An article irradiation system includes a radiation source for scanning a target region with radiation; a conveyor system including a process conveyor positioned for transporting articles in a given direction through the target region; radiation shielding ... | 05/22/2001 |
| 6213394 | Visual system for, and method of, displaying graphics and alphanumeric information A visual (e.g. liquid crystal) screen displays a sequence of graphics presentations and a specific event. The graphics sequence (e.g. visual representations of products in a market) has a display priority except when the specific event occurs. The specifi... | 04/10/2001 |
| 6190271 | Apparatus for providing a controlled propulsion of elements toward a receiving member A member (e.g. baseball bat) includes a switch manually operable to obtain the transmission of signals by a transmitter in the member to an apparatus for propelling an element (e.g. ball) toward an individual holding the member. The apparatus includes a r... | 02/20/2001 |
| 6096979 | Terminal assembly and method of forming terminal assembly A primarily polycrystalline but partially amorphous electrical insulator can hermetically seal first and second spaced electrical terminals, one made from an anodized aluminum and the second made from a beryllium copper, Kovar, an alloy of iron and cobalt... | 08/01/2000 |
| 6051066 | End effector assembly for inclusion in a system for producing uniform deposits on a wafer This invention relates to apparatus for, and methods of, providing controlled depositions on substrates. The substrates are particularly adapted to provide die for use as the spacers in magnetic heads to dispose the magnetic heads in almost abutting relat... | 04/18/2000 |
| 6051795 | Gimballed grommet having sections with different melt temperatures A grommet disposed in a panel hole to prevent a fire from spreading from one panel side to the other has a pair of flaps defining a socket for nesting in the panel hole in a closely fit relationship. Preferably one flap is longer than the other and is dis... | 04/18/2000 |
| 6020555 | System for protecting series connected solar panels against failure due to mechanical damage of individual solar cells while maintaining full output of the remaining cells Each of a plurality of solar cells is disposed on a base member made from an electrically insulating material. Each of the solar cells has first and second cell portions separated by an insulating gap, the first cell portion being positive and the second ... | 02/01/2000 |
| 5994706 | Article irradiation system in which article-transporting conveyor is closely encompassed by shielding material An article irradiation system includes a radiation source for scanning a target region with radiation; a first conveyor system for transporting articles from a loading area though the target region to an unloading area; and radiation shielding material de... | 11/30/1999 |
| 5989096 | Toy fork lift vehicle with improved steering A remotely-controllable motorized toy vehicle having a highly-maneuverable skid steering system driven by single or dual motors, having a separately motorized lift device pivotally secured to the chassis of the vehicle operative to lift and transport tran... | 11/23/1999 |
| 5964640 | Toy dump truck with automatic dumper mechanism A remotely-controllable motorized toy vehicle having a highly-maneuverable skid steering system driven by single or dual motors, having a separately motorized scoop loading device pivotally secured to the chassis of the vehicle operative to load transport... | 10/12/1999 |
| 5944609 | Remote control system for operating toys When manually closed, switches in pads select toy vehicles and the operation of motors for moving the vehicles in different directions and moving upwardly and downwardly (and rightwardly and leftwardly) a receptacle for holding transportable elements (e.g... | 08/31/1999 |
| 5944607 | Remote control system for operating toys When manually closed, switches in pads select toy vehicles and the operation of motors for moving the vehicles in different directions and moving in different directions a receptacle for holding transportable elements (e.g. marbles). When interrogated by ... | 08/31/1999 |
| 5944749 | X-ray needle providing heating with microwave energy Electrons moving in a first direction are concentrated (e.g. magnetically) in a beam within a first tube. A converter converts the electrons to x-rays for movement to a particular position (e.g. tumor) in a patient. A fluid (e.g. water) flowing past the c... | 08/31/1999 |
| 5940991 | Non-planar article formed from thermoplastic composite material and method of forming non-planar article A thermoplastic composite material is formed from a fabric, preferably woven, impregnated and preferably covered with a thermoplastic material (e.g. acrylic) constituting a monomer solvent and polymer mixture preferably in an approximately 2:1 ratio. The ... | 08/24/1999 |
| 5935171 | Apparatus for, and method of, detecting dislocations and material wear in hip replacements In a total hip replacement, a stem of a femoral component is disposed in a patient's thigh bone with a ball extending in such femoral component above the stem. The ball is disposed in a hemispherical cup positioned in the patient's pelvis and enveloping t... | 08/10/1999 |
| 5914017 | Apparatus for, and method of, removing hydrocarbons from the surface of a substrate An electrical field between a positive anode and a negative target in a cavity and a magnetic field in the cavity produce electron flow from the target in a convoluted path for ionizing a gas such as oxygen flowing through the cavity. The ionized oxygen f... | 06/22/1999 |
| 5910172 | Apparatus for, and method of, preparing hip prosthesis implantation Each tamp in a sequence has a collar at a progressively increased distance from the bottom of a cavity in a femur relative to other tamps in the sequence. The collar on each tamp has progressively increased dimensions relative to collars on other tamps to... | 06/08/1999 |
| 5888135 | System for, and method of, selectively providing the operation of toy vehicles A key in a vehicle socket closes contacts to reset a vehicle microcontroller to a neutral state. Ribs disposed in a particular pattern in the key operate switches in a particular pattern in the vehicle to provide an address for the vehicle with the vehicl... | 03/30/1999 |
| 5885159 | System for, and method of, controlling the operation of toys Pads remotely control the operation of vehicles. In each pad, (a) at least a first control provides for the addressing of one of the vehicles, (b) second controls provide for the movement of the addressed vehicle and (c) third controls provide for the ope... | 03/23/1999 |