...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 5764069 | High density grid for testing circuit boards A test interface between an electrical circuit to be tested and a test controller generally includes a plurality of translation pins, a plurality of grid boards and a connector to a controller. Each translation pin has a first end disposed for electrical ... | 06/09/1998 |
| 5738020 | Lock box and mounting device A combination lock box and mounting device allows the lock box to be easily attached and unattached. The lock box includes a back wall having a plurality of key-hole openings therein and a lid having a closed position and an open position. The mounting de... | 04/14/1998 |
| 5519929 | Tool for removing faucet compression gasket A tool for removing a compression gasket from a pipe generally comprises a sleeve and a rod; the sleeve having a cylindrical rear end for fitting over the end of the pipe and rear threads adapted for threadably engaging the front threads of a compression ... | 05/28/1996 |
| 5503500 | Pier support A support, for a pier of the type having a base with a bottom surface area and fastener-receiving bores therethrough, generally comprises a panel with plurality of ribs attached thereto as a stiffening grid; the free sides of the ribs defining a support p... | 04/02/1996 |
| 5471542 | Point-of-gaze tracker The tracker determines a vision vector for an eye of an operator. The device generally comprises: a video camera oriented so as to observe an eye of an operator for obtaining an image of the eye; camera interface electronics and image processor for digiti... | 11/28/1995 |
| 5421032 | Bathing suit with tethered waterproof pouch A bathing suit includes a pocket, a waterproof pouch disposed in the pocket and a tether having a first end attached to the suit and a second end attached to the waterproof pouch. The tether is flexible and of sufficient length such that the waterproof po... | 06/06/1995 |
| 5301991 | Tennis ball retriever and storage cart A ball retrieving and storage cart generally comprises a wheeled carriage that rollingly supports a basket in a ball retrieving position. In an exemplary embodiment, the basket has a front end and a rear end and includes a bottom wall having two side memb... | 04/12/1994 |
| 5297433 | Expansion-chamber/vial sparger vessel In its simplest sense the invention is an expansion chamber device that allows a sample to be purged and trapped for analysis without removal of the sample from the common field sample vial (VOA vial) storing the sample. The expansion chamber generally co... | 03/29/1994 |
| 5221135 | Protective cover for tool box drawer handle A protective cover for the handle of a tool box drawer of the type having a front wall; the front wall having a front face and a rear face and having a rearward slanting upper section terminating at an upper edge. The handle having sides and having a rear... | 06/22/1993 |
| 5168935 | Horse hoof pick including applicator A maintenance device for hooves, such as horse hooves, includes a hoof pick and a hoof dressing applicator including dressing. The hoof pick handle includes a tubular section having an internal cavity containing hoof liquid dressing. A dressing dispensing... | 12/08/1992 |
| 5119556 | Tool for removal of faucet stem and cartridge A tool for removing a faucet stem and cartridge from a faucet body; the stem of the type having a threaded outer end; the cartridge of the type having a central bore retaining the stem; the bore including an inward facing ledge. A cylindrical standoff sle... | 06/09/1992 |
| 5119281 | Balloon lighting device and method A plug and light stick allow a light bulb to be positioned within a common elastic expandable inflatable balloon having an elastic filler neck. The plug fits into the neck of a balloon and seals against the neck wall. The plug has a central bore having an... | 06/02/1992 |
| 5090188 | Ridged racquet string A string (10) for a sports racquet, such as a tennis racquet string, is comprised of a string core (20) having a plurality of external ridges (40) bonded thereon for aiding in imparting spin on a ball and for increasing the crossover contact area between ... | 02/25/1992 |
| 5080868 | Sparger assembly A sparge assembly including a integral frit can be used with a common test tube. The test tube is retained by a tube fitting on the bottom of an enclosure. An elongated purge gas tube passes through the enclosure and extends downward to terminate near the... | 01/14/1992 |
| 5063681 | Dual chalk line marker A chalk line assembly and a pair of spreader allow two spaced apart chalk lines to be marked simultaneously. A chalk line assembly includes a chalk line, a spool, a box, and a crank. The chalk line has two ends wound on the spool and a middle portion form... | 11/12/1991 |
| 5052580 | Vehicle cargo storage organizer The vehicle cargo storage organizer has a plurality of first side wall panels and second side wall panels that are used to store or transport a host of differing items. The side wall panels have joining slots that allow the side wall panels to be formed i... | 10/01/1991 |
| 4997403 | Balloon lighting device A novelty balloon lighting device involving an inflated balloon having a plug fitted inside the neck of the balloon the plug having a bore formed therethrough and containing therein at least one concentric constriction ring, an elongated hollow tube havin... | 03/05/1991 |
| 4984399 | Automobile enclosure A portable, strong, lightweight, low-height automobile housing or garage encloses an automobile on five sides. A roll up rear door provides for entry of an automobile. The driver side wall and roof include have a side access opening extending through them... | 01/15/1991 |
| 4951243 | Probabilistic pulse train randomization device A device for re-randomizing probabilistic pulse trains. The device receives an input probabilistic pulse train and produces an output probabilistic pulse train of equal value, but which is statistically independent from the input probabilistic pulse train... | 08/21/1990 |
| 4945698 | Adjustable screed support An adjustable screed support for supporting one end of a screed during screeding of cement on a wall generally comprises a support bracket for attachment to the wall support structure including a stand-off portion extending outward, away from the wall sup... | 08/07/1990 |
| 4944242 | Rescue balloon A location and signaling balloon device includes a lifting body balloon, a pressurized vessel of lighter-than-air gas and tethering apparatus for an inflated balloon. The tethering apparatus includes a tether line wound on a friction spool which is attach... | 07/31/1990 |
| 4942720 | Bottom case loader and method A machine for loading one or more layers of product into a case from the bottom. The machine loads a first layer of received product into a product arrangement area onto an elevator platen. The platen is lowered and a slip sheet is inserted to be the floo... | 07/24/1990 |
| 4918618 | Discrete weight neural network A Neural Network using interconnecting weights each with two values, one of which is selected for use, can be taught to map a set of input vectors to a set of output vectors. A set of input vectors is applied to the network and in response, a set of outpu... | 04/17/1990 |
| 4895335 | Bottom adjusting load support A height-adjustable load bearing support for attachment to a mobile home frame beam for supporting the home for occupancy has a bottom adjustment screw and is much better able to withstand lateral load forces, such as resulting from an earthquake. The sup... | 01/23/1990 |
| 4893255 | Spike transmission for neural networks Pulse trains are utilized for the transmission of information in a neural network. A squash function is achieved by logically OR'ing together pulsed outputs, giving f(x) approximately 1-e-x. For Back Propagation, as derived by Rumelhart, the de... | 01/09/1990 |
| 4805728 | Sound system with anechoic enclosure A sound system, for a band or the like, incorporates an anechoic enclosure which allows a performer to use the same desired speaker color under all performing conditions and which insulates the audience and other pick-up microphones from each sound-source... | 02/21/1989 |
| 4785562 | Magnetic display holder A display device comprising a frame having a front side, rear side, outer edge, and inner edge; the inner edge surrounding and defining an interior opening and display area. The frame includes magnetic attachment means so that a display piece, such as a c... | 11/22/1988 |
| 4781085 | Locking socket wrench extension An extension for use with the drive member of a socket wrench system includes a shaft having a coupling at its rear end for attaching the rear end to a socket drive member, and a stud at its front end for torque transferring engagement with a socket. A lo... | 11/01/1988 |
| 4721467 | Metric system teaching/playing cards The invention comprises a deck of playing cards for teaching and learning basic metric system words and prefix values in an enjoyable manner. The deck comprises a plurality of suits of cards; each suit includes a plurality of cards with each card within a... | 01/26/1988 |
| 4671304 | Automatic hair curler An automatic hair curler comprising, in general, a U-shaped frame, a fixed shaft extending across the open top of the frame, a curling drum idly journaled on the shaft, a coil spring for energy storage, and ratchets to control drum rotation and coil windi... | 06/09/1987 |
| 4658442 | Weight vest A snugly-fitting, variable-weight vest for wearing while exercising generally comprises a back panel, and left and right front panels connected to the back panel at their proximate top edges. The panels are of flexible material and are relatively short, h... | 04/21/1987 |