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 |
| 6126053 | Vehicle equipment rack A vehicle equipment rack that includes first, second and third rotatably interconnected members. The second and third members rotate between a first position in which all three members are aligned and a second position in which the second and third member... | 10/03/2000 |
| 6086778 | Muffle etch injector assembly A novel modular muffle etch injector assembly for use in a gas blanketed down-flow chemical vapor deposition apparatus of the type having a muffle and a modular gas injector assembly for introducing chemical vapors into a deposition chamber, the muffle be... | 07/11/2000 |
| 6082497 | Manual wafer lift A wafer lift for lifting a series of vertically oriented wafers arranged parallel to one another in a cassette. The wafer lift comprises a lift plate and an actuator mechanism for raising the lift plate. The lift plate has a contact surface for engaging t... | 07/04/2000 |
| 6070199 | Apparatus to connect a client computer to a computer data network A system ling client computers, particularly client notebook computers, to communicate with a computer local area network (LAN) using infrared or other transparent links. The system includes a pseudo nic driver, transparent communication hardware, and a t... | 05/30/2000 |
| 6054742 | Structure for cross coupled thin film transistors and static random access memory cell A pair of thin film transistors formed in adjacent layers of polysilicon. The gate of the first TFT and the source, drain and channel regions of the second TFT are formed in the first polysilicon layer. The source, drain and channel regions of the first T... | 04/25/2000 |
| 6041566 | Composite wall system A composite wall system that uses fiber bales or other quasi-structural building blocks in conjunction with a bracing system that stabilizes vertical rods to create columns capable of transferring the gravity compressive loads on the wall to the foundatio... | 03/28/2000 |
| 6040209 | Semiconductor memory device and method of forming transistors in a peripheral circuit of the semiconductor memory device A method of forming a transistor in a peripheral circuit of a random access memory device wherein a transistor gate, capacitor electrode or other component in the memory cell array is formed simultaneously with the formation of a transistor gate in the pe... | 03/21/2000 |
| 6030902 | Apparatus and method for improving uniformity in batch processing of semiconductor wafers A novel batch processing system used, for example, in plasma etching and chemical vapor deposition, wherein the pressure in the reactor is cycled through a varying pressure to increase the transfer of the reactant materials to the center of the wafer. One... | 02/29/2000 |
| 6015188 | Swivel seat for a vehicle A swivel seat for a vehicle that provides a fixed seating platform surrounding a swivel seating platform and a smooth transition from the edge of the vehicle seat to the seating platform. In one version of the invention the swivel seat includes a rotatabl... | 01/18/2000 |
| 6015079 | Positioning device for controlling the position of a workpiece in a horizontal plane An extended travel wire bonding machine that includes a first positioning table movable along an X axis in a first horizontal plane, a second positioning table movable along X and Y axes in a second horizontal plane, the second positioning table being sup... | 01/18/2000 |
| 5996870 | Bicycle carrier A bicycle carrier and a vehicle mounted bicycle rack that carries bicycles vertically across the back of the vehicle, rather than horizontally out from the back of the vehicle as in conventional carriers. The bicycle carrier includes a cradle arm that cra... | 12/07/1999 |
| 5979510 | Forming tool and method A pivot punch that has no explicit pivot point. In one embodiment, the tool includes a die, a punch holder pressable along a path toward the die and a punch supported by the punch holder. The punch extends through and is pivotable in an opening in the hol... | 11/09/1999 |
| 5958100 | Process of making a glass semiconductor package A process of making hermetically sealed glass semiconductor packages by injecting molding an electronic device within a body of molten thermoplastic glass which is solidified by cooling. The glass has a sealing temperature not over 350° C. and a CTE not ... | 09/28/1999 |
| 5924217 | Liquid removal conveyor system and method A liquid removal conveyor system that includes a liquid permeable conveyor belt, a vertically movable agitator and an air suction plenum. The agitator is positioned below and adjacent to the conveyor belt so that, when the agitator moves up and down, it i... | 07/20/1999 |
| 5924077 | Computer based system for monitoring and processing data collected at the point of sale of goods and services An electronic storage and computing system wherein raw point of sale data is transformed into a predefined standardized configuration from which object values representing select business activities are derived and compared to predefined reference values ... | 07/13/1999 |
| 5903026 | Isolation structure for semiconductor devices An isolation structure providing electrical isolation in two dimensions between memory cells in semiconductor memory devices. The isolation structure comprises a trench formed in a substrate of a semiconductor memory device such as a Dynamic Random Access... | 05/11/1999 |
| 5899664 | Oscillating fluid flow motor An oscillating fluid flow motor and an in-stream fluid flow power system that converts the energy in the flowing fluid to mechanical energy through a vane that automatically sweeps back and forth across the flow. The oscillating fluid flow motor consists ... | 05/04/1999 |
| 5884826 | Vehicle equipment rack A vehicle equipment rack that includes first, second and third rotatably interconnected members. The second and third members rotate between a first position in which all three members are aligned and a second position in which the second and third member... | 03/23/1999 |
| 5866453 | Etch process for aligning a capacitor structure and an adjacent contact corridor An etch process for increasing the alignment tolerances between capacitor components and an adjacent contact corridor in Dynamic Random Access Memories. The etch process is implemented in a capacitor structure formed over a semiconductor substrate. The ca... | 02/02/1999 |