...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 |
| 5206955 | Protective face guard A protective face guard for use in baseball and other sports is disclosed and which includes a plastic molded mask piece, an impact cushioning forehead pad, an impact cushioning mouth pad, a strap and a mouth guard. The mask piece includes a front protect... | 05/04/1993 |
| 5206956 | Protective face shield A one-piece protective face shield intended primarily for use by health care professionals to reduce the transmission of infectious diseases carried by viral and bacterial emissions from the noses and throats of afflicted patients. The protective face shi... | 05/04/1993 |
| 5206957 | Body core warming vest A one-piece, snug fitting, sleeveless garment covering the core or torso of the body is intended to be worn by persons susceptible to cold and chills. The garment includes plural layers, including an insulative intermediate layer, and a hood integrally co... | 05/04/1993 |
| 5206958 | Protection suit comprising a poncho-like part and a protective hood joined thereto and a method of manufacturing the same A protection suit for civilian or military use comprises a poncho-like part and a protective hood joined thereto. The poncho-like art of the protection suit consists of a flat sheet of thermoplastic material folded double and provided with an opening in t... | 05/04/1993 |
| 5206959 | Toilet deodorizer A toilet deodorizer includes a deodorizer cake and a one-piece plastic framework having two leg portions with lower ends within the cake and extending upwardly therefrom to upper ends that merge with horizontal portions perpendicular to the leg portions. ... | 05/04/1993 |
| 5206960 | Dual flush toilet control mechanism A dual flush toilet control mechanism includes an operating handle and attached actuating cam, a control arm and a control float arm. When the handle is turned in a first direction, the actuating cam moves the control arm to open fully a conventional toil... | 05/04/1993 |
| 5206961 | Wall-mounted urinal To simplify the installation and maintenance of a urinal, the bowl (3) is fastened to the building wall (6) such that it can be turned away from it. To achieve this, a bracket (8) is provided, which has a holding frame (10) fastened to the bowl (3), a mou... | 05/04/1993 |
| 5206962 | Waste water disposal system for recreational vehicle A waste water disposal system for recreational vehicles. When emptying the black and grey water holding tanks, grey water is emptied into the black water holding tank, thereby helping to flush solids out of the black water holding tank.... | 05/04/1993 |
| 5206963 | Apparatus and method for a water-saving shower bath A shower system and a method for receiving and delivering fresh water for a washing operation and also for recirculating the water, comprises a showerhead, a basin, a fresh water inlet, a waste water outlet, a pump means connected to the showerhead and ad... | 05/04/1993 |
| 5206964 | Beach blanket stabilizer An inflatable stabilizer for use with a beach blanket or beach towel to prevent sand or dirt from getting on the blanket or towel, has an inflatable tube that is attached to the blanket or towel. The tube is a generally continuous tube and secured to the ... | 05/04/1993 |
| 5206965 | Utility knife Cutting structure for scoring or cutting surfaces is disclosed. The cutting structure includes a housing having elongated sides, a blade and thumb positioning structure associated with the elongated sides. Measurement means may be positioned against the t... | 05/04/1993 |
| 5206966 | Carpentry tool A carpentry tool arranged for use as a fulcrum relative to a hammer in a carpentry environment includes a base plate formed with a trapezoidal housing extending partially along a top surface of the base plate, wherein the trapezoidal housing includes a to... | 05/04/1993 |
| 5206967 | Electric wax applicator An electric wax applicator comprises a housing, a pad defining a bottom portion of the housing, a sponge removably joined to a lower surface of the pad, an electric motor provided in the housing and having a drive shaft, a crank member connected to the dr... | 05/04/1993 |
| 5206968 | Paint roller A paint roller having a tubular core formed of thermoplastic material. The thermoplastic material being in the form of a multiplicity of spirally wound plies. The multiplicity of plies comprising an outer ply surrounding and in continuous contact with an ... | 05/04/1993 |
| 5206969 | Wiper with reduced chatter and wind lift A specially designed and attached anti-wind lift airfoil also acts to reduce wiper chatter in several ways. The foil is fixed to and runs along side the blade support, bracing and stiffening it. In addition, masses molded inside the foil, plus its own mas... | 05/04/1993 |
| 5206970 | On-site portable stencil cleaner A two-part, hand-held portable cleaning system provides the ability for washing and vacuum cleaning printing stencil screens and the like in-situ in an environmentally safe manner. The system includes a vacuum-assisted drip pan and an applicator brush wit... | 05/04/1993 |
| 5206971 | Apparatus and method for increasing the efficiency of a door closer by reducing friction therein A door closer has a fluid conduit connecting the high pressure portion of the cylinder in front of the piston with a cavity between the surfaces of the cylinder wall and the piston. This cavity is located at the intermediate lateral surface of the piston ... | 05/04/1993 |
| 5206972 | Device for closing the end of a section Device for closing the end of a section (1) of U-shaped cross section having a bottom (10) and two flanges (12) provided near the open face of the section with a rail (13) turned toward said bottom (10), characterized in that it includes a ferrule (2) car... | 05/04/1993 |
| 5206973 | Sound-deadener for window torsion balance This invention, which provides a solution to the long-standing problem of motion-related rattle in torsion balances for windows, is based upon the discovery that the major source of the rattle is related to the movement of the free end of the twisted rod ... | 05/04/1993 |
| 5206974 | Mounting plate for furniture hinges and method for manufacturing it The present invention relates to a mounting plate (30) for an adjustable mounting of a hinge supporting arm on a cabinet. The mounting plate is made by punching and pressing operations from sheet metal, of a U-shaped cross section at least in an upper sec... | 05/04/1993 |
| 5206976 | Automatic shedding mechanism With the automatic shedding mechanism according to this invention, the warping conditions are inputted by using the program setting unit 151. When it arrives at the predetermined position, the warping drum stops rotating. The closed reed 38 is operated to... | 05/04/1993 |
| 5206977 | Constructive arrangement of tire rasping separator and saw assembly There is disclosed a saw blade mounting assembly of this invention for a tire rasping apparatus, which comprises at least one rotatable cap and a plurality of pins extending orthogonally from the cap to receive the saw blade mounting assembly thereon. The... | 05/04/1993 |
| 5206978 | Hydrostatic roll for use in calenders A roll for use in a calender or a like machine has a carrier which is surrounded by a flexible cylindrical shell. One or more hydrostatic displacing units are installed between the carrier and the shell to deform, when necessary, one or more selected port... | 05/04/1993 |
| 5206979 | Roller for specialty paint finishes A specialty paint finish roller composed of a substantially conventional roller handle assembly having an axle, a roller tube, a pair of bushings for rotatably interfacing with the at least one axle of the roller handle assembly, and a disposable, general... | 05/04/1993 |
| 5206980 | Apparatus for aligning ends of pipes A frame (20) which open at the bottom has supporting plates (22, 24, 26) and a bottommost support piece (28) connecting at least two support plates (22, 24, 26). The frame is designed to fit over lengths of pipes to be aligned. Two sets of (40, 41) clamps... | 05/04/1993 |
| 5206981 | Fabric tensioning frame Apparatus for attaching and bi-directionally tensioning a porous fabric over a flexible, rectangular form support. A frame comprises a pair of rigid, parallel frame members connected by a pair of parallel cross members. The ends of the frame members conta... | 05/04/1993 |
| 5206982 | Die transfer structure and method Structure for and method of die transfer. The structure comprises low friction bearing structures set into elongated T-slot bars secured in parallel, transverse spaced apart relation on a bolster plate and a die transfer truck table top actuable in respon... | 05/04/1993 |
| 5206983 | Method of manufacturing micromechanical devices Micromechanical devices are formed on a substrate using a sacrificial layer deep X-ray lithography process to produce a rotating microrotor which is driven magnetically. The rotor typically has a diameter of a few hundred microns or less and is formed as ... | 05/04/1993 |
| 5206984 | Apparatus for mounting a balance weight on a tire wheel The present invention relates to a balance weight mounting apparatus for a tire wheel by which a balance weight can be automatically mounted on the tire wheel. A six-axes manipulator has a weight holder and hammer head provided at the distal end of the ar... | 05/04/1993 |
| 5206985 | Automatic pin inserting apparatus An automatic pin inserting apparatus for inserting a pin into a frame-shaped workpiece, in particular, a frame-shaped workpiece having a welded structure. The apparatus includes a table freely movable in X and Y directions, and moving means for moving the... | 05/04/1993 |
| 5206986 | Method of producing an electronic circuit package An electronic circuit package which includes first and second conductive metal members and a circuit board held between the first and second metal members and having a cutout in which an electronic circuit part is accommodated and a process of producing s... | 05/04/1993 |
| 5206987 | Battery assembly process Method and apparatus for joining lead battery parts (e.g., plate lugs, intercell connectors, terminals, etc.) together via a low resistance electrical coupling wherein substantially oxide-free, arc-melted, superheated molten lead is cast into a cavity bet... | 05/04/1993 |
| 5206988 | Hybrid ultra-centrifuge rotor with balancing ring and method of manufacture A centrifuge rotor having a balancing ring integrally formed with and raised from the upper surface thereof is manufactured by removing material from the ring to balance the rotor in the upper plane. The balancing ring is on the same radius as the rotor t... | 05/04/1993 |
| 5206989 | Method of making solid propellant canister loaded rocket motor A canister loaded solid propellant rocket motor. The canisters are prepared separately and loaded with solid propellant whereby the scrap rate may be reduced after which they are installed in a monolithic case which affords stiffness continuity over the l... | 05/04/1993 |
| 5206990 | Method for assembling serpentine heat exchangers A serpentine heat exchanger tube structure is formed with spaces between opposite runs of the tube structure that are smaller than the fins which must be inserted into the spaces. The tube structure is pressed onto a series of spreader blades at a fin ins... | 05/04/1993 |
| 5206991 | Method for producing hose couplings A method for producing a copper brazed hose coupling assembly from a plurality of members in which one of the members is electroplated with copper is provided. A stem member is press fitted to a collet member and subsequently brazed together in a furnace.... | 05/04/1993 |
| 5206992 | Compressible roller A compressible roller especially useful in high speed printing systems consists of a rigid core and a compressible cover. The cover consists of a first relatively thick layer of compressible foam which is bonded to the core, an elastomeric seal bonded to ... | 05/04/1993 |
| 5206993 | Method of assembling two row angular contact bearing with improved axial end play A novel method for assembling a two row, angular contact bearing achieves improved axial end play without providing more ball diameter classes. The actual width of the pairs of opposed ball pathways is gauged. When and if the width falls nearly halfway be... | 05/04/1993 |
| 5206994 | Collapsible razor A collapsible razor having a handle in the form of a hollow body with a blade cartridge support pivotally mounted thereon to be foldable into the handle body and thus completely encased therein. A container comprising a plurality of chambers is mounted or... | 05/04/1993 |
| 5206995 | Safety razor An improved safety razor comprises an elongate shank having a blind bore at the top thereof, a closure member removably secured to the elongate shank for closing off the bore of the shank, a blade carriage pivotably mounted on the closure member and a com... | 05/04/1993 |