William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 6822238 | Monitoring The invention provides apparatus and methods which facilitate movement of an instrument relative to an item or location being monitored and/or the item or location relative to the instrument, whilst successfully excluding extraneous ions from the detection location.... | 11/23/2004 |
| 6757272 | Channel estimation unit, and CDMA receiver and CDMA transceiver with channel estimation unit There are provided a channel estimation unit for achieving highly accurate channel estimation, a CDMA receiver and a CDMA transceiver with the channel estimation unit. Channel estimates of data symbols are obtained from pilot symbols in a combined symbol sequence wh... | 06/29/2004 |
| 6655301 | Portable folding utility table with frame connected to integral lip A pivotable folding utility table includes a table top having a pair of support pedestals pivotally attached thereto. A first pivotal support brace including a distal end and a proximal end attached to the first support pedestal. A second pivotal support ... | 12/02/2003 |
| 6655960 | Tongue suppressing bite block adaptable to varying mouth and tongue sizes A dental apparatus for maintaining the mouth of a patient in an open position during a dental procedure. The apparatus includes a bite block that is inserted into the patient's mouth between the upper and lower teeth on either side of a patient's mouth. D... | 12/02/2003 |
| 6652424 | Treadmill with adjustable cushioning members A treadmill with an adjustable cushioning mechanism configured to adjustably cushion the impact to a user who is exercising on the treadmill. The adjustable cushioning members allow the user to select the amount of cushioning that will be provided while t... | 11/25/2003 |
| 6652276 | Customizable dental bite blocks and methods for forming customized dental bite blocks A bite block system for maintaining the mouth of the patient in an open position during a dental procedure. In one embodiment, the bite block includes a plastically deformable material on at least a surface thereof for making an impression of the patient'... | 11/25/2003 |
| 6636269 | Video timing system and method A video timing system and method. The method typically includes receiving from an input video stream an input video field in a video buffer, transmitting an output video field from the video buffer to an output video stream, measuring a time interval betw... | 10/21/2003 |
| 6628461 | Method and apparatus for a polarization beam splitter/combiner with an integrated optical isolator An integrated optical polarization beam splitter/combiner and isolator (IPBC) is disclosed. In one disclosed aspect, the IPBC may comprise a first birefringent crystal optically configured to receive two rays incident at an angle, a rotator configured to ... | 09/30/2003 |
| 6624828 | Method and apparatus for improving the quality of displayed images through the use of user reference information The present invention relates to methods and apparatus for increasing the perceived quality of displayed images. This is achieved in a variety of ways including the use of a plurality of device specific display characteristics when preparing images for di... | 09/23/2003 |
| 6618387 | Interface for abstracting control of a cable modem Provided is a system and method for integrating a cable modem with a host customer premises equipment, such as a computer or set top box. An interface is provided which receives data packets from the cable modem of any manufacturer and transmits the data ... | 09/09/2003 |
| 6618386 | Hosting a cable modem in a computer using a virtual bridge A computer system that hosts a cable modem is described. The cable modem may be used to send and receive messages over the Internet using a cable network managed by a cable operator. Unlike external modems, the cable modem uses the same CPU and memory tha... | 09/09/2003 |
| 6618013 | Retractable antenna assembly The invention discloses a retractable antenna system for wireless communication devices. The invention allows the entire antenna assembly, including ground plane and impedance matching circuitry, to be moved away from the wireless communication device and... | 09/09/2003 |
| 6616445 | Self-ligating orthodontic brackets having a spring element interconnecting the base and ligation cover Self ligating orthodontic brackets include a bracket base and a ligation cover which interacts with the base in order to provide ligation of at least one arch wire associated with the base. The orthodontic brackets may include one or more of the following... | 09/09/2003 |
| 6615256 | Quorum resource arbiter within a storage network The invention provides a method and system for arbitrating for ownership of a logical quorum resource, such as a logical quorum volume, comprising one or more physical quorum resources so as to form a storage network having a plurality of storage devices.... | 09/02/2003 |
| 6614890 | Disclosing the receipt of new electronic message A client is coupled to a modem pool and a server by a communication link in a wide area network. The client allows a user to browse the World Wide Web in response to user inputs entered entirely from a remote control device using a television set as a dis... | 09/02/2003 |
| 6614804 | Method and apparatus for remote update of clients by a server via broadcast satellite The invention involves transmission download of data to plural, mass storage medium-based remote users of content or software upgrades or multiple versions. Optionally provided are pre-download scheduling of one or more future download sessions and post-d... | 09/02/2003 |
| 6614085 | Antireflective coating layer Antireflective structures according to the present invention comprise a metal silicon nitride composition in a layer that is superposed upon a layer to be patterned that would other wise cause destructive reflectivity during photoresist patterning. The an... | 09/02/2003 |
| 6612478 | Method for manufacturing x-ray tubes A method for manufacturing x-ray tube parts, wherein metallic pieces are explosively bonded together to establish a high strength, stable union between them. The x-ray tube parts may then be milled from the bonded metallic pieces. The explosion bonding pr... | 09/02/2003 |
| 6612874 | Rotating connector adapter with strain relief A connector adapter that can be used to directly connect a peripheral device to a host device. The connector adapter is adjustable so as to allow selective reorientation of the peripheral with respect to the host device. The connector adapter includes a l... | 09/02/2003 |
| 6610034 | Thread locking structure A syringe system includes a first syringe having a barrel with a tubular tip formed at the end thereof. The tubular tip has an exterior surface with a pair of spaced apart first threads outwardly projecting therefrom so as to at least partially encircle t... | 08/26/2003 |
| 6609183 | Method and system for mirroring and archiving mass storage A method and system for mirroring and archiving mass storage. A primary mass storage and a secondary mass storage are synchronized to contain the same data. Thereafter, a primary system tracks changes made to the primary mass storage. These changes are co... | 08/19/2003 |
| 6609182 | Smart hibernation on an operating system with page translation A duplicate memory image of the pages that need to be saved (i.e. hibernated) is created within volatile memory. The pages to be hibernated include all pages whose state is locked and a portion, if not all, of the pages whose state is idle. If the duplica... | 08/19/2003 |
| 6608723 | Integrated pump combining module The present invention is directed to an integrated polarization combining wavelength division multiplexer (IPWDM). The IPWDM of the invention provides optical polarization beam splitting/combining, wavelength division multiplexing, and reverse optical pat... | 08/19/2003 |
| 6607473 | Methods for centrifugally separating mixed components of a fluid stream under a pressure differential A fluid mixture containing a heavy component and a light component is separated by feeding the fluid mixture into a vessel. The vessel includes a light component outlet regulated by a first valve and a heavy component outlet regulated by a second valve. T... | 08/19/2003 |
| 6607468 | Trampoline enclosure system A trampoline system includes a frame comprising a border rail encircling an opening and a plurality of support legs projecting from the frame. A trampoline bed is disposed within the opening and is secured to the border rail by a plurality of springs. The... | 08/19/2003 |
| 6607383 | Orthodontic bracket An orthodontic bracket has a base with a slot configured to receive an archwire. A cover is hingedly fastened to the base and is operable between an open and closed position. The cover covers at least a portion of the slot on the base when in the closed p... | 08/19/2003 |
| 6607173 | Film on a surface of a mold used during semiconductor device fabrication A film is provided on a mold used during semiconductor device fabrication through surface modifications to the mold to provide non-stick characteristics and a mold surface that is resistant to abrasion or wear. Such surface modifications are particularly ... | 08/19/2003 |
| 6606652 | System for targeting information to specific users on a computer network A system for targeting information on a computer network. The system involves categorizing a plurality of address pointers according to the content designated by the address pointer. The system further involves reading the address pointer which designates... | 08/12/2003 |
| 6606642 | System, method, and computer program product for workflow processing using internet interoperable electronic messaging with MIME multipart content type A client computer in a communications network with a server computer assembles a record set that has a MIME declaration header with a multipart content type and a content sub-type indicative of a workflow media type. The first client computer also assembl... | 08/12/2003 |
| 6606618 | Method for optimizing the performance of a database A relational installation database for storing data elements in the form of strings, objects, etc. is aliased with integer identifiers corresponding to each data element is disclosed. The integer identifiers are obtained from an index that sequentially st... | 08/12/2003 |
| 6606049 | Analog to digital converters based on transconveyance amplifiers Transconveyance amplifiers, and more specifically charge transfer amplifiers, are included in analog-to-digital converters. Transconveyance amplifiers are used in averaging and interpolation circuits that facilitate converting an analog signal into a mean... | 08/12/2003 |
| 6606003 | Error compensating voltage controlled oscillator Methods and voltage controlled oscillator designs that compensate for errors. The errors may be caused by variations, from one oscillator to another, in the voltage that produces a nominal frequency and variations in an overall voltage-to-frequency transf... | 08/12/2003 |
| 6605132 | Air treatment system A system for treating air for supply to an enclosed space in which the air is to be breathed, includes an inlet through which air can enter the system from atmosphere for supply to the enclosed space, and a regenerative adsorption assembly having at least... | 08/12/2003 |
| 6604133 | Inter-enterprise messaging system using bridgehead servers Systems and methods for transmitting messages, such as real-time messages, from an entity outside a firewall to a recipient inside the firewall. The messages include the address of a bridgehead server exposed through the firewall and information identifyi... | 08/05/2003 |
| 6603599 | Linear semiconductor optical amplifier with broad area laser A semiconductor optical amplifier for eliminating cross talk. The semiconductor optical amplifier includes a waveguide ridge that is formed on a broad area semiconductor laser. The ridge has angled facets and guides incident optical signals through the ac... | 08/05/2003 |
| 6603758 | System for supporting multiple internet service providers on a single network Described are methods and apparatus that allow cable customers who wish to add a cable modem (or other device) to a local network to choose both the cable modem through which they access the Internet and the Internet Service Provider (ISP) that will provi... | 08/05/2003 |
| 6601112 | Method and computer program product for reducing the buffer requirements of processing components A method and computer program product for overcoming the inefficiencies associated with inter-buffer data transfers between separate processing components such as kernel mode drivers that are chained together. Provided is a standard mechanism for allocati... | 07/29/2003 |
| 6600558 | Micro-fluidic cell for optical detection of gases and method for producing same A micro-fluidic cell for optical detection of gases provided according to the present invention includes a concentration cell and a detection cell, and increases the sensitivity of optical detection of gases, selectivity of components, and accuracy of qua... | 07/29/2003 |
| 6599840 | Material removal method for forming a structure Methods are disclosed for forming shaped structures from silicon and/or germanium containing material with a material removal process that is selective to low stress portions of the material. In general, the method initially provides a layer of the materi... | 07/29/2003 |
| 6599152 | Contact pin design for a modular jack A communications card allows computers to be electrically connected to electronic devices and communications systems. The communications card includes a modular jack with a plurality of contact pins. The contact pins include a plug engaging portion that d... | 07/29/2003 |