...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 |
| 4718189 | Fishing spear tip A fishing spear tip for mounting on a fishing spear shaft has a first, second, and third spear prong mounted in a prong holder having a central longitudinally extending straight bore extending rearwardly from the forward end thereof and adapted to receive... | 01/12/1988 |
| 4718374 | Animal ear tag and identification system An identification tag assembly comprising a one-piece molded plastic identification member with selectively removable identification indicia forming means and having an enlarged connecting head portion with a curved pointed tip portion and an elongated cu... | 01/12/1988 |
| 4717196 | Pick-up truck bed cover A cover system for a pick-up truck having an open top defined by vertical spaced apart side walls, and a front wall is disclosed. The cover system includes a rollable cover portion which has the capability of being either completely or partially extended ... | 01/05/1988 |
| 4709838 | Multiple purpose hanger Apparatus for hanging articles of clothing or the like in a clothes closet or the like by suspension from a hanger rod or the like comprising an elongated vertically extending article hanging means having a plurality of vertically spaced oppositely facing... | 12/01/1987 |
| 4696119 | Animal identification device and applicator therefor Undulations in ear side of tag, such as alternating ribs and troughs, permit air flow to area around stem of pin having conical head or point. Hole leading to socket well is larger than pin stem and the socket well is larger than the large end of the pin ... | 09/29/1987 |
| 4601914 | Method for fabricating a semiconductor gas sensor A method for fabricating a solid state semiconductor gas sensor and the semiconductor sensor itself for use in equipment detecting small amounts of H2 S. The method of sensor fabrication comprises spray deposition of a mixture of metal oxides m... | 07/22/1986 |
| 4595070 | Cursor control support device A housing for a computer mouse device which supports the mouse above a working surface on a cushion of air or other gaseous fluid including a support device having incorporated therein structure for the distribution of the fluid between the mouse and the ... | 06/17/1986 |
| 4589523 | Fall arrester and emergency retrieval apparatus and anchor apparatus therefor A fall arrester and emergency retrieval apparatus and a support tripod therefor, wherein an emergency retrieval assembly is operably associated with a clutch-brake type cable drum to enable cable dispensed from the cable drum and supporting a worker, subs... | 05/20/1986 |
| 4589555 | Mail sorting apparatus and method A mail sorting system employing a modified mail conveyor in combination with a sorting table where articles of mail moving linearly in the direction of their longest dimension are deposited in a shingled pattern onto an angled sorting table surface provid... | 05/20/1986 |
| 4585462 | Combustion improver fuel additive It has been discovered that a fuel additive comprising a major proportion of a high molecular weight amine, and minor proportions of naphtha and a polyalphaolefin synthetic oil, together with a small amount of a biocide and a minor proportion of a mangane... | 04/29/1986 |
| 4581148 | Depilating composition and method A hair removing composition for use on carcasses, skins, hides, and pelts, containing preselected proportions of alkali, buffering agents, surface active agents, foaming agents, and stabilizers in combination with preselected thioglycolates.... | 04/08/1986 |
| 4548608 | Depilating composition and method A composition for removing hair from full hair whole carcasses, skins, hides and pelts comprising:... | 10/22/1985 |
| 4544597 | Corrugated paper board and its method of manufacture A decorative corrugated paper product having a preprinted and/or decorated transparent plastic film adhesively applied to at least one side of facing sheet, the other side of which is adapted for subsequent adhesion to a fluted corrugated medium in the pr... | 10/01/1985 |
| 4528728 | Locking snap hook A latching and locking snap hook utilizing a conventionly shaped snap hook body having a normally open hook end portion which is opened and closed to receive and discharge a connector, line or other fixture by movement of a spring biased latch member pivo... | 07/16/1985 |
| 4518089 | Auxiliary closet system An auxiliary closet assembly having at least one pair of hanger bar members suspended from a main closet hanger rod and supporting at least one auxiliary hanger rod therebetween in downwardly spaced vertical relationship to the main closet hanger rod.... | 05/21/1985 |
| 4508046 | Wind surfing hydrofoil apparatus Wind surfing hydrofoil apparatus for enabling hydroplaning of a wind surfing board having a mast mounted centrally thereon between a front end portion and a rear end portion of the board, and comprising a front hydrofoil mounted on the board in juxtaposit... | 04/02/1985 |
| 4507805 | Ambulatory sleeping bag A convertible sleeping bag for use as a sleeping bag and an ambulatory garment having integral upper torso and lower torso portions, the upper torso portion having a front and back and at least two closeable openings, each having two sides when open and e... | 04/02/1985 |
| 4497676 | Gunpowder substituted composition and method A gunpowder substitute which is capable of also being molded into a consumable cartridge or cartridge case comprising between 50% to 75% by weight of an inorganic nitrate and between 25% to 50% by weight of an organic acid including ascorbic acid, erythor... | 02/05/1985 |
| 4461375 | One-way transmission system for bicycles or the like A one way rotary force transmission system comprising a rotary force input means for receiving force from operatively associated drive means to impart an angular input velocity thereto; a rotary output means for rotation by said rotary force input means i... | 07/24/1984 |
| 4453151 | Semiconductor gas sensor A semiconductor gas sensor for use in equipment for detecting small amounts of H2 S. The method of sensor fabrication comprises spray deposition of a mixture of metal oxides mixed together with various metal and non-metal materials which serve ... | 06/05/1984 |
| 4451351 | Method of liquefaction of carbonaceous materials Hydrocarbon liquids are obtained from carbonaceous materials, such as coal, by contacting the carbonaceous materials with a metal carbonyl or a low valent complex of the transition metals and water gas under alkaline conditions to form a reaction mixture,... | 05/29/1984 |
| 4441705 | Exercising apparatus Exercising apparatus for simulating the characteristics of exercise during actual riding of a bicycle comprising a stationary frame for mounting components of a bicycle or the like including at least a frame, a seat, handle bars and a front wheel fork, a ... | 04/10/1984 |
| 4441418 | Overvarnish apparatus for decorator machine An overvarnish unit for a can decorator machine mounted on an adjustable frame which supports an adjustable applicator roll for applying a coating material associated with a pre-spin wheel for rotatable mandrels and also supports an adjustable coating mat... | 04/10/1984 |
| 4441400 | Shotshell component recovery apparatus and method A device and method for safely cutting through the outer body or case of a round of ammunition to recover the internal components thereof by providing a cutting implement on an operable device sized to receive the round when closed and engage the cutting ... | 04/10/1984 |
| 4434565 | Non-slip overshoe A non-slip overshoe having at least one thin metal plate operably attached to its lower surface. The plate is provided with a series of sharp projections to provide gripping on slippery surfaces. Fixed and removable plate attachment means are disclosed.... | 03/06/1984 |
| 4423810 | Cover for multiple unit container packages A cover for multiple unit container packages of containers secured by at least one clip device having a central opening wherein the cover includes a tab device extending through the clip opening and engaging clip bottom surfaces to hold the cover in place... | 01/03/1984 |
| 4391352 | Brake system and apparatus and method therefor A brake system and method of braking including brake pads made of an "anti-friction" material, which may be lubricated, to establish a constant wet coefficient of friction in use with braking force applying apparatus for applying relatively high braking f... | 07/05/1983 |
| 4391059 | Automatic fish hook setter A fishing pole holder for use during fishing having a spring biased tube for the pole handle, and a latch for holding the tube in cocked position with a release trigger activated by a fish line, when a fish takes the bait at the end of line.... | 07/05/1983 |
| 4390081 | Sawhorse and sawhorse kit and method of packaging thereof A sawhorse kit is disclosed having a top piece, leg members, brace members and fastener members. Channels, adapted to receive and seat a top portion of the leg members are formed in the top piece a sufficient distance from its ends to provide a work surfa... | 06/28/1983 |
| 4388991 | Sealing and storage ring with latch apparatus A sealing and storage ring comprising a flexible band member, having opposite end portions, which includes a latch member pivotally mounted on one end portion by a latch mounting member fixedly attached thereto and a keeper device integrally formed on the... | 06/21/1983 |
| 4370723 | Computerized energy management system A system for controlling electrical energy consumption according to a user-set kilowatt limit and an automatic kilowatt limit calculated in a microprocessor. Power is limited by regulating an electric hot water heater according to a preset program and, if... | 01/25/1983 |
| 4345734 | Adjustable base mount for a walking-beam gas compressor Upright telescoping tubes having a base mount for bolting to well pumping platform and a top plate for attaching to a piston-type compressor has locking bolts between the inner tube and the outer tube for maintaining tube positions under high compressive ... | 08/24/1982 |
| 4337563 | Method of assembling multiple wall drill pipe Multiple wall drill pipe adapted for use in a drill pipe string comprising an outer pipe member; an inner pipe member disposed within the outer pipe member; and means for releasably connecting the inner pipe member and the outer pipe member in fixed axial... | 07/06/1982 |
| 4333922 | Method for the treatment of water-living animals with health modifying agents A process is described for the introduction of health and/or welfare modifying agents, such as vaccines, to water-living animals such as fish. The health and/or welfare modifying agents are introduced into and across an epithelial membrane, such as the gi... | 06/08/1982 |
| 4323601 | Method for printing cans from heat transfer paper A method and apparatus for continuous heat transfer of ink images onto the outer surfaces of continuously moving generally cylindrical articles from a length of continuously moving heat transfer sheet material having thereon a series of uniformly spaced h... | 04/06/1982 |
| 4310490 | Apparatus for enriching the iron carbonyl content of a recycle gas stream A method and apparatus for enriching the iron carbonyl content of a recycle gas stream produced in an iron carbonyl decomposition or reaction process to enable reuse of the recycle gas stream in the iron carbonyl decomposition or reaction process by cooli... | 01/12/1982 |
| 4309043 | Drive system for bicycles and other apparatus An input-output force correlated drive system for driving any driven device such as the rear wheel of a bicycle, a flywheel, or the like comprising: input force applying apparatus for transmitting input force to and causing operation of the drive system; ... | 01/05/1982 |
| 4301793 | Sigh producing mechanism for positive pressure respirator A sigh producing mechanism in a blower type positive pressure respirator. In breathing, a normal person will occasionally take a deep breath, a sigh, to break the monotony of regular breathing. In artificial respiration, such occasional sighs are also des... | 11/24/1981 |
| 4298065 | Pitless adapter A generally uniform diameter pipe secured to the top of a well casing providing a seat for a spool having spaced plates and a flow directing central space to a lateral distributing pipe, with the plates having peripheral sealing means against thin sealing... | 11/03/1981 |
| 4297201 | Process for oil shale retorting Particulate oil shale is subjected to a pyrolysis with a hot, non-oxygenous gas in a pyrolysis vessel, with the products of the pyrolysis of the shale contained kerogen being withdrawn as an entrained mist of shale oil droplets in a gas for a separation o... | 10/27/1981 |