...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 |
| 5915030 | Electric muting circuit An electric muting circuit for soft muting of an audio signal is shown. It comprises a digitally controllable attenuation circuit having an audio signal input, an audio signal output and a control signal input and also comprises an up/down counter having ... | 06/22/1999 |
| 5854481 | Electronic cord and circuit with a switch for modifying the resonant frequency of a receiver A circuit for modifying a resonant frequency of a receiver for radio frequency signals. The receiver includes an inductor connected in parallel with a capacitor. The circuit includes a switch having an additional capacitor connected between two MOS transi... | 12/29/1998 |
| 5811428 | Pyrimidine carboxamides and related compounds and methods for treating inflammatory conditions Compounds having utility as antinflammatory agents in general and, more specifically, for the prevention and/or treatment of immunoinflammatory and autoimmune diseases are disclosed. The compounds are pyrimidine- or pyrazine-containing compounds and, in o... | 09/22/1998 |
| 5795905 | CRF receptor antagonists and methods relating thereto CRF receptor antagonists are disclosed. Such receptor antagonists are thiadiazole-, pyrimidine-, triazine-, and triazole-containing compounds substituted with both a C3-C14 monocyclic or fused, homoaryl or heteroaryl group and a substituted amine group. T... | 08/18/1998 |
| 5720942 | Two-phase tanning compositions and methods relating thereto The is disclosed a two-phase oil and water tanning composition which, when agitated, forms a single-phase, but readily converts back to two-phases upon settling. The oil and water phase of the tanning composition may be separately colored to create a visu... | 02/24/1998 |
| 5709855 | Compositions of spirulina algae and omega fatty acids for treatment of inflammation and pain A composition for preventing or treating inflammation and/or pain by topical administration are disclosed. The composition contains an omega fatty acid in combination with spirulina. Preferably, the omega fatty acid is a mixture of omega-3 fatty acids and... | 01/20/1998 |
| 5710245 | Alpha-helix mimetics and methods relating thereto There are disclosed alpha-helix mimetics and methods relating to the same for imparting or stabilizing alpha-helicity to a peptide or protein. In one aspect, the alpha-helix mimetics contain six- or seven-membered rings covalently attached at the end or w... | 01/20/1998 |
| 5583981 | Method and system for changing the size of edit controls on a graphical user interface A method and system for resizing edit controls of a graphical user interface that in previous systems were of a fixed size. The preferred steps of the resize operation entail moving a mouse cursor over a designated portion of the edit control, activating ... | 12/10/1996 |
| 5583868 | Method and system for combining data from multiple servers into a single continuous data stream using a switch An ATM switch is used to combine blocks of data from multiple data servers into a single continuous data stream. The ATM switch is especially well adapted for use in a video-on-demand environment. Blocks of data may be striped across the data servers so t... | 12/10/1996 |
| 5579517 | Common name space for long and short filenames An operating system provides a common name space for both long filenames and short filenames. In this common namespace, a long filename and a short filename are provided for each file. Each file has a short filename directory entry and may have at least o... | 11/26/1996 |
| 5577224 | Method and system for caching data A method and system for caching data that improve the efficiency of a cache are provided. Generally, three types of data are stored in a cache constructed according to the principles of the present invention. These types of data include: (1) path tables, ... | 11/19/1996 |
| 5574854 | Method and system for simulating the execution of a computer program A simulation system to simulate the execution of a computer program. The computer program is developed for invoking operating system functions of a first operating system. Each operating system function performs a behavior in accordance with passed parame... | 11/12/1996 |
| 5555166 | Self-timing power-up circuit An improved power-up circuit formed in an integrated circuit for generating a power-up pulse for integrated circuit devices. The present invention includes an input stage, an output stage, and a pulse control circuit. The input stage receives a supply vol... | 09/10/1996 |
| 5552731 | Integrated control circuit with a level shifter for switching an electronic switch A circuit for controlling a power transistor connected in series with a load. The circuit comprises a control logic circuit which produces a signal at two levels with respect to a reference terminal, a level shifter connected between the control circuit a... | 09/03/1996 |
| 5550930 | Method and system for training a handwriting recognizer at the time of misrecognition A method and system for training a handwriting recognizer at the time of misrecognition is provided. In a preferred embodiment, a trainer program traps and stores the output from a recognizer. The output includes the recognized symbols mapped to the handw... | 08/27/1996 |
| 5549711 | Prosthetic foot and keel therefor having progressive stiffening under increasing load A prosthetic foot having a keel formed by a flexible sole plate connected to the lower end of an ankle portion that is attachable to a user's leg or leg prosthesis. A plurality of resilient bending ribs extend from the angle portion to spaced apart locati... | 08/27/1996 |
| 5550364 | Method and apparatus for spotter beam formation using a partitioned optical element An optical element for causing a visible spotter beam emitted by a hand-held scanning bar code reader provides visible indications of the area of a surface which is being scanned by an invisible scanning beam. The optical element transforms the visible sp... | 08/27/1996 |
| 5548305 | Method and apparatus for displaying color on a computer output device using dithering techniques A method and apparatus for filling an area of a computer display with a preselected color is provided. Typical computer systems software provides the capability to represent 256 different intensities of a color. However, many color displays cannot support... | 08/20/1996 |
| 5545536 | Colony-stimulating factor derivatives Novel proteins possessing substantially the same biological activity as human GM-CSF, as well as proteins having a higher specific activity than native human GM-CSF, are disclosed. The proteins may (a) be unglycosylated; (b) lack N-linked glycosylation bu... | 08/13/1996 |
| 5546054 | Current source having voltage stabilizing element A current source including a current mirror circuit and an active load circuit which form a reference branch, for setting a reference current value, and a mirroring branch, defining an output current value, connected between supply and ground. A voltage s... | 08/13/1996 |
| 5546581 | Method for integrating a discrete subprogram into a main program A method is disclosed for integrating a plurality of discrete subprograms with a main program. The method enables the main program to integrate any discrete subprogram stored in its directory with the main program. The method includes the step of identify... | 08/13/1996 |
| 5544286 | Digital video data compression technique A technique for compressing digital video data provides improved compression over conventional block compression techniques. In this technique, image data is broken down into cells and iteratively compressed. The cells are compressed using compression for... | 08/06/1996 |
| 5541942 | Method and system for testing memory utilizing specific bit patterns An improved method for testing computer memory is provided. In a preferred embodiment of the present invention, copies of a bit pattern are written throughout memory until the memory is filled. The contents of the memory are read and compared to the bit p... | 07/30/1996 |
| 5541884 | Method and circuit for suppressing data loading noise in nonvolatile memories In a nonvolatile memory comprising a data amplifying unit and an output element mutually connected by a connection line, the noise suppressing circuit comprises a network for generating a noise suppressing signal which is synchronized substantially perfec... | 07/30/1996 |
| 5541880 | Reference signal generating method and circuit for differential evaluation of the content of nonvolatile memory cells To reduce the supply voltage of a nonvolatile memory, a read reference signal is generated having a reference threshold value ranging between the maximum permissible threshold value for erased cells and the minimum permissible threshold value for written ... | 07/30/1996 |
| 5538945 | Stimulation of hair growth by peptide copper complexes Peptide-copper complexes are disclosed which stimulate the growth of hair on warm-blooded animals. In one aspect of this invention, the peptide-copper complexes are dipeptides or tripeptides chelated to copper at a molar ratio ranging from about 1:1 to 3:... | 07/23/1996 |
| 5539191 | Method and apparatus for decoding unresolved bar code profiles using edge finding circuitry A method and apparatus for decoding profiles which fail to resolve narrow elements in symbologies employing one element type having only a single width, first begins by producing a series of counts from the symbol using standard waveshaping and counting c... | 07/23/1996 |
| 5539471 | System and method for inserting and recovering an add-on data signal for transmission with a video signal A system and method for inserting a data signal into a preexisting video signal in a transmitter so that the data signal is transmitted along with the video signal. The data signal is inserted into an unused portion of the video signal spectrum. The data ... | 07/23/1996 |
| 5539530 | Facsimile machine with custom operational parameters A user interface simplifies operation of a facsimile machine (FAX). A display screen displays a plurality of menus and allows the user to select from the menus. The display contains a touch-sensitive screen to allow the user to select menu options by touc... | 07/23/1996 |
| 5538124 | Moving walkway A moving walkway comprising at least one flat slider belt (6) entrained around rollers (8) and a termination plate (2) at the discharge end of the belt (6). The termination plate (2) may be an end plate or a transfer plate. The configuration of the termin... | 07/23/1996 |
| 5535493 | Method and apparatus for deshafting and reshafting roll cores Method and apparatus for aligning a shaft puller axis with a central axis of a shaft in a filled roll of tissue having a core and a shaft in the core, the shaft puller adjusting its axis to be coincident with the axis of the shaft, and assembling unfilled... | 07/16/1996 |
| 5536999 | Planar fluorescent lamp with extended discharge channel A flat planar fluorescent lamp having barrier structures overlaying the electrodes is described. The barrier structures include barrier walls and platforms between the electrodes and the lamp cover with passageways between the platforms and the lamp cover... | 07/16/1996 |
| 5537289 | Wall-mounted medical monitoring system with removable modules A medical monitoring system including a wall mounting plate to which a center support member is rigidly attached using a pair of mounting flanges which engage a pair of integral tracks on a forward surface of the mounting plate. The center support support... | 07/16/1996 |
| 5537589 | Method and system for efficiently performing database table aggregation using an aggregation index A method and system for efficiently performing database table aggregation is provided. In a preferred embodiment, an aggregation facility efficiently aggregated a source table using indices on an aggregated column of the source table and a grouping column... | 07/16/1996 |
| 5534813 | Anti-logarithmic converter with temperature compensation An anti-logarithmic type converter circuit, with temperature compensation, includes a diode connected between a unity gain, non-inverting interface circuit and a low-impedance reference voltage circuit. A thermal compensation circuit is connected between ... | 07/09/1996 |
| 5534448 | Process for realizing P-channel MOS transistors having a low threshold voltage in semiconductor integrated circuits for analog applications A process for forming low threshold voltage P-channel MOS transistors in semiconductor integrated circuits for analog applications, said circuits including high resistivity resistors formed in a layer of polycrystalline silicon and N-channel MOS transisto... | 07/09/1996 |
| 5534440 | Compounds and methods for sequencing amino acids The present invention provides methods and reagents for sequencing amino acids. One embodiment of the method for determining the terminal amino acid of a polypeptide comprises the steps of (a) attaching (either covalently or non-covalently) the polypeptid... | 07/09/1996 |
| 5533321 | Method and apparatus for wrapping, crimping and heading paper rolls at a single station A method and apparatus for applying a wrapper to a paper roll, a turret mechanism has a crimper and an inside head holder on one side and an outside head applying platen on the opposite side, a drive for rotating the turret mechanism to place the crimper ... | 07/09/1996 |
| 5535157 | Monolithically integrated storage device An integrated device with electrically programmable and erasable memory cells, including one time programmable (OTP) read-only memory cells. A matrix of user memory cells is added at least one row of OTP cells sharing the column selection lines with the o... | 07/09/1996 |
| 5532972 | Method and circuit for timing the reading of nonvolatile memories A circuit comprises a section generating a pulse signal for asynchronously enabling the read phases; a section generating precharge and detecting signals of adjustable duration, for controlling data reading from the memory and data supply to the output bu... | 07/02/1996 |