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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 6774685 | Radio frequency data communications device A radio frequency identification device comprises an integrated circuit including a receiver, a transmitter, and a microprocessor. The receiver and transmitter together define an active transponder. The integrated circuit is preferably a monolithic single die integr... | 08/10/2004 |
| 6459726 | Backscatter interrogators, communication systems and backscatter communication methods The present invention provides backscatter interrogators, communication systems and backscatter communication methods. According to one aspect of the present invention, a backscatter interrogator includes a data path configured to communicate a data signa... | 10/01/2002 |
| 6384648 | Radio frequency data communications device A radio frequency identification device comprises an integrated circuit including a receiver, a transmitter, and a microprocessor. The receiver and transmitter together define an active transponder. The integrated circuit is preferably a monolithic single... | 05/07/2002 |
| 6383696 | Methods of forming a face plate assembly of a color display Methods of forming face plate assemblies are described. In one implementation, a substrate is patterned with photoresist and a first phosphor-comprising material is formed over first surface areas of the substrate. The photoresist is stripped leaving some... | 05/07/2002 |
| 6373391 | Devices for sensing changes in environments proximate the devices, devices for sensing termites, and methods for sensing termites In one aspect, the invention includes a device for sensing a change in an environment proximate the device. The device comprises a planar loop of conductive material extending along a first plane. The conductive material comprises two ends and the loop is... | 04/16/2002 |
| 6372601 | Isolation region forming methods In one aspect, the invention includes an isolation region forming method comprising: a) forming an oxide layer over a substrate; b) forming a nitride layer over the oxide layer, the nitride layer and oxide layer having a pattern of openings extending ther... | 04/16/2002 |
| 6371986 | Spinal fusion device, bone joining implant, and vertebral fusion implant A bone joining implant, comprising a tubular body having an open leading end and a central aperture, the central aperture similarly sized to the open leading end, the open leading end communicating with the central aperture and configured to entrap a bone... | 04/16/2002 |
| 6369427 | Integrated circuitry, interface circuit of an integrated circuit device, and cascode circuitry The present invention includes integrated circuitry, an interface circuit of an integrated circuit device, cascode circuitry, method of protecting an integrated circuit, method of operating integrated circuitry, and method of operating cascode circuitry. ... | 04/09/2002 |
| 6365298 | Thin profile batteries A method of forming a button-type battery includes, a) providing a conductive first terminal housing member, a conductive second terminal housing member, an anode, and a cathode; b) providing an anode/cathode separator, the separator being pre-configured ... | 04/02/2002 |
| 6358787 | Method of forming CMOS integrated circuitry A method of forming CMOS integrated circuitry includes, a) providing a series of gate lines over a semiconductor substrate, a first gate line being positioned relative to an area of the substrate for formation of an NMOS transistor, a second gate line bei... | 03/19/2002 |
| 6358433 | Ceramic compositions The invention includes a method for forming a ceramic composition. Materials comprising lead, zirconium, titanium and bismuth are combined together to form a mixture. At least one of the materials is provided in the mixture as a nanophase powder. The mixt... | 03/19/2002 |
| 6357680 | Self-feeding comminuting apparatus having improved drive motor features A comminuting apparatus includes a frame, a set of overlapping scissor rolls, a first drive motor, and a second drive motor. The frame has an enclosure with an entrance opening for receiving waste material. The set of overlapping scissor rolls is carried ... | 03/19/2002 |
| 6355985 | Integrated circuit device and synchronous-link dynamic random access memory device The present invention includes integrated circuit devices, synchronous-link dynamic random access memory devices, methods of forming an integrated circuit device and methods of forming a synchronous-link dynamic random access memory edge-mounted device. A... | 03/12/2002 |
| 6353241 | Memory circuitry with spaced conductive lines of different elevational thickness Methods of forming conductive lines and insulative spacers thereover are described. In accordance with one aspect of the invention, a substrate is provided having a first area and a second area relative to which conductive lines are to be formed. A layer ... | 03/05/2002 |
| 6351630 | Wireless communication system, radio frequency communications system, wireless communications method, radio frequency communications method, and backscatter radio frequency communications system A wireless communications system comprising a first transponder adapted to be coupled to one of a plurality of selectable antennas, having a look-up table including locations holding data representing antennas, and having pointers pointing to selected one... | 02/26/2002 |
| 6351190 | Stage having controlled variable resistance load circuit for use in voltage controlled ring oscillator A stage for a voltage controlled oscillator includes a first p-channel transistor having a gate defining a control node, having a source adapted to be coupled to a supply voltage, and having a drain; a second p-channel transistor having a gate coupled to ... | 02/26/2002 |
| 6350638 | Method of forming complementary type conductive regions on a substrate A method of forming complementary type conductive regions on a substrate includes, a) providing a first etch stop layer over a substrate; b) etching a void through the first etch stop layer inwardly towards the substrate; c) providing a first conductive l... | 02/26/2002 |
| 6348882 | 5-ary receiver utilizing common mode insensitive differential offset comparator A signal converter is provided for converting multiple level encoded digital signals into a binary equivalent signal. The signal converter includes a reference voltage generator, a plurality of four-input differential comparators, timing recovery circuitr... | 02/19/2002 |
| 6348366 | Method of forming conductive lines In one aspect, the invention provides a method of forming an electrical connection in an integrated circuitry device. According to one preferred implementation, a diffusion region is formed in semiconductive material. A conductive line is formed which is ... | 02/19/2002 |
| 6348139 | Tantalum-comprising articles Described is the production of a metal article with fine metallurgical structure and texture by a process that includes forging and rolling and control of the forging and rolling conditions. Also described is a metal article with a minimum of statically c... | 02/19/2002 |
| 6348003 | Self-synchronizing tap driver for rigid tapping Disclosed is a tap driver for rigid tapping, which includes predetermined tension and compression factors to self-synchronize the tap driver. In the preferred embodiment, the tap driver includes helical coils imparted in the tap driver body which allow th... | 02/19/2002 |
| 6342417 | Methods of forming materials comprising tungsten and nitrogen In one aspect, the invention includes a method of forming a material comprising tungsten and nitrogen, comprising: a) providing a substrate; b) depositing a layer comprising tungsten and nitrogen over the substrate; and c) in a separate step from the depo... | 01/29/2002 |
| 6340835 | Method of making a resistor, method of making a diode, and SRAM circuitry and other integrated circuitry Disclosed are methods of forming resistors and diodes from semiconductive material, and static random access memory (SRAM) cells incorporating resistors, and to integrated circuitry incorporating resistors and diodes. A node to which electrical connection... | 01/22/2002 |
| 6341362 | Extended symbol Galois field error correcting device An extended symbol Galois field error correcting device is provided. The device includes a singly-extended Reed-Solomon encoder configured to generate an encoded codeword, c(x). The device also includes a channel medium that is signal coupled with the sin... | 01/22/2002 |
| 6340834 | Method of making a resistor, method of making a diode, and SRAM circuitry and other integrated circuitry Disclosed are methods of forming resistors and diodes from semiconductive material, and static random access memory (SRAM) cells incorporating resistors, and to integrated circuitry incorporating resistors and diodes. A node to which electrical connection... | 01/22/2002 |
| 6338938 | Methods of forming semiconductor devices and methods of forming field emission displays In one aspect the invention includes a method of forming a semiconductor device, comprising: a) forming a layer over a substrate; b) forming a plurality of openings extending into the layer; c) depositing particles on the layer; d) collecting the particle... | 01/15/2002 |
| 6336477 | Frame modules for improved weaving device In a weaving device, a weaving device frame mounts a plurality of eyelets. A frame module, releasably borne by the weaving device frame is readily detachable from and controls movement of the respective eyelets. The frame module forms a readily removable ... | 01/08/2002 |
| 6337244 | Method of forming flash memory A method of forming a line of FLASH memory cells includes forming a first line of floating gates over a crystalline silicon semiconductor substrate. An alternating series of SiO2 isolation regions and active areas are provided in the semiconduc... | 01/08/2002 |
| 6337634 | Radio frequency data communications device A radio frequency identification device comprises an integrated circuit including a receiver, a transmitter, and a microprocessor. The receiver and transmitter together define an active transponder. The integrated circuit is preferably a monolithic single... | 01/08/2002 |
| 6335254 | Methods of forming transistors In accordance with an aspect of the invention, a transistor is formed having a transistor gate, a gate dielectric layer and source/drain regions. The transistor gate includes at least two conductive layers of different conductive materials. One of the two... | 01/01/2002 |
| 6333693 | Wireless communication packages, a radio frequency identification device communication package, an appendage, a method of communicating, and a method of forming a wireless communication package The present invention provides wireless communication and identification packages, communication systems, methods of identifying an identification device, methods of communicating, and methods of forming a communication device. In one aspect of the presen... | 12/25/2001 |
| 6333256 | Semiconductor processing method of forming openings in a material The invention includes a semiconductor processing method which comprises forming a first material layer over a substrate. A second material layer is formed over the first material layer. Photoresist is deposited over the second material layer, and an open... | 12/25/2001 |
| 6333264 | Semiconductor processing method using high pressure liquid media treatment In accordance with one aspect of the invention, a semiconductor processing method of treating a semiconductor wafer provides a wafer within a volume of liquid. The wafer has some electrically conductive material formed thereover. The volume of liquid with... | 12/25/2001 |
| 6333254 | Methods of forming a local interconnect method of fabricating integrated circuitry comprising an SRAM cell having a local interconnect and having circuitry peripheral to the SRAM cell and method of forming contact plugs In one implementation, a substrate is provided which has at least two nodes to be electrically connected. A first conductivity type semiconductive material is formed over and in electrical connection with one of the nodes. A conductive diffusion barrier m... | 12/25/2001 |
| 6331725 | Integrated circuitry A semiconductor processing method of forming a contact pedestal includes, a) providing a node location to which electrical connection is to be made; b) providing insulating dielectric material over the node location; c) etching a contact opening into the ... | 12/18/2001 |
| 6329267 | Isolation region forming methods In one aspect, the invention includes an isolation region forming method comprising: a) forming an oxide layer over a substrate; b) forming a nitride layer over the oxide layer, the nitride layer and oxide layer having a pattern of openings extending ther... | 12/11/2001 |
| 6329213 | Methods for forming integrated circuits within substrates The invention includes methods for forming integrated circuits within substrates, and embedded circuits. In one aspect, the invention includes a method of forming an integrated circuit within a substrate comprising: a) providing a recess in a substrate; b... | 12/11/2001 |
| 6326321 | Methods of forming a layer of silicon nitride in semiconductor fabrication processes In one aspect, the invention includes a semiconductor fabrication process, comprising: a) providing a substrate; b) forming a layer of silicon nitride over the substrate, the layer having a thickness; and c) enriching a portion of the thickness of the sil... | 12/04/2001 |
| 6326250 | Semiconductor processing method of fabricating field effect transistors In one aspect of the invention, a semiconductor processing method includes: a) providing a semiconductor substrate; b) defining a first conductivity type region and a second conductivity type region of the semiconductor substrate; c) providing a first tra... | 12/04/2001 |
| 6324211 | Interrogators communication systems communication methods and methods of processing a communication signal The present invention includes interrogators, communication systems, communication methods, and methods of processing a communication signal. One aspect of the present invention provides a backscatter system interrogator including a downconverter configur... | 11/27/2001 |
