Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 5653946 | Process for fluidifying aqueous suspensions of red muds in the production of alumina by the bayer process Improved process for fluidifying flocculated aqueous suspensions of red muds in the production of alumina from bauxite by the Bayer process, which consists: in dissolving bauxite using sodium hydroxide; then, in decanting and in washing the red muds formed in ... | 08/05/1997 |
| 5638811 | Anatomical intrabuccal respiratory mouthpiece Anatomical intrabuccal respiratory mouthpiece in two parts, namely: a first extraoral part (1) having a first extrabuccal connection piece (2) intended to be joined to the gas source, and a second intrabuccal connection piece (5) whose outlet orifice is oblate... | 06/17/1997 |
| 5580396 | Treatment of pulverant magnetic materials and products thus obtained There is disclosed a process for optimizing the magnetic properties of a multiphase product of composition rare earth/iron/boron endowed with permanent magnet properties at ambient temperature. This composition serves as a precursor, which is first subjec... | 12/03/1996 |
| 5571209 | Post-operative protective prosthesis A post operative adjustable protective socket for a patient that has undergone a transtibial amputation. The socket is formed of a single piece of semi-rigid plastic and includes a cup shaped base, a semi-circular rear shell and a semi-circular front shel... | 11/05/1996 |
| 5569902 | Contact two-dimensional bar code reader having pressure actuated switch A contact bar code reader is suitable for reading 2-dimensional bar codes. The reader comprises a housing having therein a source of illumination and optics for producing a diverging beam for illuminating a bar code symbol. A transparent frustoconical gui... | 10/29/1996 |
| 5566333 | Relational database information management system for facilitating normalization of a relational database A computer system that incorporates an SQL type relational database is adapted to enterprises in which human performance is to be managed. There is a single table that contains linking information for multiple entity relationships among a plurality of inf... | 10/15/1996 |
| 5562224 | Multipurpose plastic container which can be folded up and is re-usable and stackable A plastic reusable container that can be collapsed into a small package for storage.... | 10/08/1996 |
| 5562967 | Woven fabric/plastic sheet combined structure and method for constructing same This invention aims at providing a woven fabric having a structure suitable for bonding, so as to bond a so-called "tarpaulin sheet", which is bonded by sewing means and is obtained by coating a synthetic resin to a fiber base fabric, to a woven fabric su... | 10/08/1996 |
| 5559422 | Wall transformer A wall mounted power supply for a remote instrument handle has a novel self compensating voltage regulating circuit that remains in precise calibration despite variable voltage drops in the load, cabling, and control switches. Power output is enabled by a... | 09/24/1996 |
| 5556073 | Linear control valve A linear control valve that includes a flexible cantilevered beam having a seal mounted thereon that is arranged to open and close against a fluid port as the beam is flexed. The free end of the beam is in contact with a motor driven deflector and the amo... | 09/17/1996 |
| 5553724 | Rack for displaying tableware An improved display rack for the commercial display of tableware comprising a back panel, having two side panels attached thereto, a plurality of full shelves in parallel relationship to one another, each abutting the back panel and side panels, at least ... | 09/10/1996 |
| 5549285 | Wire rope isolator with crimp bar and method for making same A wire rope vibration isolator includes a coil of wire rope having a predetermined number of individual consecutive coils, a first crimp bar, and a second crimp bar. Each of the crimp bars is essentially rectangular in shape and has a pair of opposing sid... | 08/27/1996 |
| 5550284 | Production method for alkoxynaphthalenecarboxylic acid Alkoxynaphthalenecarboxylic acid is produced by a process comprising the addition of 1,3-butadiene to alkoxyalkylbenzene to yield an adduct. The adduct is cyclized in the presence of an acid catalyst to alkoxyalkyltetralin. The tetralin derivative is then... | 08/27/1996 |
| 5548100 | Article warmer with heated frame and flexible enclosure A warmer and dryer for fabric articles having a vertically disposed heated frame upon which one or more articles can be draped. A heated fluid is circulated through the frame by a pump that is mounted in the base of the frame. The frame is enclosed by a f... | 08/20/1996 |
| 5544703 | Plate heat exchanger This plate heat exchanger with parallel and counterflow circulation of the heat-exchange fluids is constructed by stacking a determined number of ribbed plates (4) of the same size, clamped against one another between two flanges (1,2), said plates having... | 08/13/1996 |
| 5543706 | Circuit and method for measuring current in a circuit An electronic circuit for measuring current in a working circuit is provided with a first operational amplifier having a positive input, a negative input, and an output connected to at least one in-line amplifier to form a first current path. A second ope... | 08/06/1996 |
| 5542208 | Mobile unit for treating soil A treatment system for aerating, cooling and heating or draining a site such as a golf course green or a playing field. A mobile blower can be connected and disconnected with an underground duct network situated under the site through a suitable valving a... | 08/06/1996 |
| 5539273 | Etched electrode for metal halide discharge lamps A one piece electrode for use in miniature and subminiature lamps having a large diameter post section and a smaller diameter lead-in section. The lead-in section is formed by an electrochemical process from a wire that has an outer diameter equal to the ... | 07/23/1996 |
| 5537857 | Leak indicator for vacuum systems and a method of searching for leaks in vacuum systems A leak indicator for detecting leaks in a vacuum system including a chamber and a system vacuum pump. The indicator is provided with a mass spectrometer for identifying the presence of a test gas in the system chamber and a high vacuum pump for producing ... | 07/23/1996 |
| 5534754 | Apparatus for supplying electrical power to an arc lamp including resonant circuit This generator for supplying high-frequency power to an arc lamp (12), coises: a primary circuit (1) connected up to the terminals (5, 6) of the power-supply mains and incorporating an electromagnetic inductor (L', T) connected to a resonant circuit (7);... | 07/09/1996 |
| 5533618 | Surgical holster A reusable surgical device which is suitable for carrying elongated surgical instruments having a backing plate which supports a plurality of detachable receptacle members contained on the backing plate in fixed engagement. The device is made of a transpa... | 07/09/1996 |
| 5528970 | Tone control for stringed musical instrument A musical pitch control for each of the strings on a musical instrument. A pivot arm is secured to one end of each string. Controlled current is applied to a length of memory wire secured between the arm and an anchor point. The bending strain on the arm ... | 06/25/1996 |
| 5528924 | Acoustic tool for analysis of a gaseous substance An acoustic technique is employed to identify the species of a sample of refrigerant gas and whether it contains significant contaminants. The refrigerant is admitted into a Helmholtz resonator under controlled pressure, and a drive frequency is swept acr... | 06/25/1996 |
| 5529135 | Steering mechanism for four wheel lawn mower An improved riding lawn mower includes a vehicle frame having a front end, a rear end, and a rear motor deck that is secured to the rear end of the frame. A drive motor is mounted above the motor deck while a rear wheel assembly engaged with the motor, is... | 06/25/1996 |
| 5528363 | Integrated device for instantaneous detection and identification of an entity This integrated device for instantaneously carrying out qualitative and quantitative identification of one or more physicochemical entities contained in or on a sample and capable of producing one or more emission or absorption or reflection spectra under... | 06/18/1996 |
| 5527262 | Hand-held diagnostic dental probe with video imaging An improved hand-held diagnostic dental probe includes a casing that having a hand-holdable body portion, a neck portion that extends from the body portion to a head portion that is formed of a back cover and a front cover. A circuit board assembly in the... | 06/18/1996 |
| 5527261 | Remote hand-held diagnostic instrument with video imaging A hand-held, fully remote diagnostic instrument having video capability is configured for any one of a number of clinical or industrial applications. The instrument has a casing that includes a hand-holdable body portion, a neck portion that extends from ... | 06/18/1996 |
| 5526803 | Male truss A male truss for assisting in producing and maintaining an erection. A linear rigid member is mounted upon a loop capable of drawing the member into biasing contact against the dorsal side of the penis to restrict the flow of blood moving through the dors... | 06/18/1996 |
| 5525055 | Apparatus for presetting fuel cell wick A cap for closing the burner of a liquid fuel cell and protecting the burner wick. The burner wick has upraised adjustable tabs that can be separated to control the heat output of the cell. The cap contains a die member that is arranged to move between th... | 06/11/1996 |
| 5524477 | Quantitative determination of air present in refrigerant sample by measurement of pressure coefficient of resonance frequency An acoustic technique is employed to identify the species of a refrigerant gas and whether it contains significant contaminants. Air in the refrigerant can be tolerated, but must be accounted for in determining the acoustic properties of the sample. The r... | 06/11/1996 |
| 5523327 | Process for preparing ion exchange resins by chloromethylation of crosslinked styrene copolymers in the presence of saturated hydrocarbon swelling agents Ion exchange resins are prepared by a process comprising functionalizing styrene-divinylbenzene copolymers, or other crosslinked vinyl copolymers, by sulfonation or chloromethylation and amination, and achieving high ion exchange capacity and a low degree... | 06/04/1996 |
| 5522864 | Apparatus and method for ocular treatment Macular degeneration and other ocular pathology in a subject is treated by the steps of: placing a positive electrode of a direct current source in electrical contact with a closed eyelid of a subject; placing a negative electrode of the source in electri... | 06/04/1996 |
| 5518252 | Storage enclosure for soccer net assembly A soccer goal frame and net assembly which includes a goal frame having two vertical support members and a horizontal crossbar connected to the vertical support members. An elongated enclosure which is designed to hold and secure a soccer net assembly is ... | 05/21/1996 |
| 5517703 | Spa cover lift A lifting mechanism for removing and restoring a hinged spa cover from the spa tub. Two tubular brackets are cojoined so that base members on the brackets are parallelly aligned adjacent to one end of the spa and arms on the brackets extend along opposite... | 05/21/1996 |
| 5512036 | Dental imaging system An imaging system has an optical assembly that can be removably attached to an elongated housing for insertion therewith into a narrow orifice. The housing has an imager such as a CCD array disposed therein. The housing and the optical assembly are secure... | 04/30/1996 |
| 5507595 | Apparatus for treating soil Apparatus for treating the soil of a grass playing field that includes a piping system containing perforated pipe lines seated in a distribution bed beneath the soil of the playing field. A blower having a discharge port and a suction port is selectively ... | 04/16/1996 |
| 5507070 | Mechanism for closing a lid A mechanism for controlling the opening and closing of a closure object, comprising an outer cylinder whose inner chamber, contains hydraulic fluid, a distal end of the outer cylinder being attachable to either a closure object or an object to be closed. ... | 04/16/1996 |
| 5501825 | Process for the manufacture of a shaped ski Process for the manufacture of a shaped ski in a single step, which includes: in laying down, in the bottom of a mold, at least one lower reinforcing layer (13, 14); in positioning, on this lower assembly (10), an upper reinforcing layer (22) composed of ... | 03/26/1996 |
| 5500918 | Bifurcated fiber bundle in single head light cable for use with multi-source light box A light cable for transmitting light from a light source to the distal end of an imaging tool requiring a beam of directed light. The light cable is provided with a flexible outer cable member including at least one layer of protective material, a bundle ... | 03/19/1996 |
| 5500730 | Method and apparatus for determining the distance to a reflective event There is presented an apparatus and method of locating a reflective anomaly in an optical fiber. An optical generator is positioned at one end of a light path extending to and from a reflective anomaly in an optical fiber, and periodic pulses of light are... | 03/19/1996 |
