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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 |
| 6224443 | Multilayer swim fin and method A swim fin having a foot section with a foot cavity, a soft rubber foot pocket, and a blade section composed of blended cured layers of rubber sheet materials of selected durometer hardness. The swim fin is prepared by placing layers of sheet materials of... | 05/01/2001 |
| 6180395 | Reagent chamber for test apparatus and test apparatus A single use reagent chamber and a test apparatus for the detection of test samples, particularly by a chemiluminescent test. The chamber includes a cylinder sealed with probe-puncturable membranes into a sealed compartment with a reagent composition ther... | 01/30/2001 |
| 6160143 | Method for the concentration and separation of sterols A method for the concentration and separation of a sterol-containing plant mixture employing a single, rotary, thin film horizontal evaporator for saponification of the mixture in a reaction zone, evaporation of volatile by-products, and discharge of a so... | 12/12/2000 |
| 6149479 | Canted side fin wakeboard A wakeboard having rear and front center fins and a pair of spaced-apart, generally parallel, canted rear and front asymmetric side fins to provide enhanced rider control and performance of the wakeboard during maneuvers.... | 11/21/2000 |
| 6141912 | Window guard A window guard for a window opening to prevent a child or animal from passing through a window. The window guard includes side frames fastened to the sides of a window frame and a plurality of spaced-apart, transverse, tubular, width-adjustable crosspiece... | 11/07/2000 |
| 6134893 | Swivel bayonet joint for cryogenic fluids A method and system for dispensing cryogenic fluids, such as liquified natural gas (LNG), using a swivel bayonet joint interconnecting first and second sections of cryogenic pipe. The swivel bayonet joint includes a male bayonet joint and a corresponding ... | 10/24/2000 |
| 6127474 | Strengthened conductive polymer stabilized electrode composition and method of preparing A high tensile strength, fluorocarbon-conductive, particle binder material useful as electrodes in a flow-through capacitor. The material comprises electrodes formed from fibrillated fine fibers, conductive carbon particles and a small amount of a polymer... | 10/03/2000 |
| 6126833 | Cross-flow filtration device with filtrate conduit network and method of making same A cross-flow filtration device which receives a feed stock at a feed end face and separates the feed stock into filtrate and retentate. The device has a structure formed from a plurality of substantially parallel monolith segments of porous material, each... | 10/03/2000 |
| 6114402 | Modified rigid, foamable urethane composition and method A polyurethane composition to provide a rigid polyurethane foam suitable for use as a core material in a composite laminate and which polyurethane composition includes an additive compound or oligomer-prepolymer having hydroxy groups for reaction with the... | 09/05/2000 |
| 6095881 | Wakeboard binding and system with baseless beam support A wakeboard binding and system with a baseless beam support. The binding includes a shaped metal or plastic beam, bent or formed to define a baseless U-shaped cavity between the beam sides. The baseless beam support secures, by fasteners, the sheet materi... | 08/01/2000 |
| 6089007 | Fusion-bonded carpet system and method of preparation A fusion-bonded carpet system and method of manufacture which method includes providing as all or a portion of the wear face surface cut yarn material in rope form prepared in rope bundles and implanting one or both ends of the rope bundle in an adhesive ... | 07/18/2000 |
| 6080314 | Zeolite bed leach septic system and method for wastewater treatment A septic system and method for the removal of nitrogen contaminants, such as nitrates and ammonia, from a wastewater effluent, which system and method includes employing one or more zeolite tanks, which contains a regenerable, granulated zeolite material ... | 06/27/2000 |
| 6073761 | Recyclable article packaging system The present invention is an article packaging system which can be easily recycled. In one embodiment, the packaging of an article comprises a sheet member comprising a base portion and first and second end portions foldable with respect to the base portio... | 06/13/2000 |
| 6071919 | Zwitterionic compositions and methods as biological response modifiers A method of treating a disease in a mammal by administering a therapeutic effective amount of an amphoteric zwitterion compound as an active ingredient. A pharmaceutical composition which comprises an amphoteric zwitterionic compound as an active ingredie... | 06/06/2000 |
| 6066264 | Method of oil-water separation An oil-water separation method to separate oil-contaminated water into clean, filtered water for use. The method comprises filtering prefiltered, coalesced oil-water in an oleophobic depth-type filter.... | 05/23/2000 |
| 6055761 | Fish tag harpoon A fish tag harpoon which contains a shock absorbing cap on the harpoon end, and contains a sonic signal-emitter secured by elastomeric bands to the harpoon, with the emitter secured by a line to a releasable retention dart at the end of the harpoon.... | 05/02/2000 |
| 6055050 | Photometer and test sample holder for use therein, method and system A photometer and a test sample holder, with the holder having a light-blocking, black upper section and a light-transparent, lower section test sample vial, for use with the photometer. The photometer includes an O-ring seal at an input, to the light meas... | 04/25/2000 |
| 6047831 | Sealable article packaging kit, system and method An article packaging kit, system and method which includes a stiff sheet material (30), with a base portion (49), with a longitudinal fold line (32), and foldable, longitudinal, opposing end portions (35, 37), and a film tube containing (28) a sealable en... | 04/11/2000 |
| 6037385 | Radiant energy curable polyester resin composition An acrylic urethane prepolymer composition and an unsaturated polyester resin composition to which the prepolymer has been added. The prepolymer composition includes an acrylic urethane prepolymer prepared by the reaction of diisocyanate, such as MDI, wit... | 03/14/2000 |
| 6036560 | Variable flexible stringer, bodyboard and method A variable flexible bodyboard, which includes therein, at least one variable, flexible stringer rod. The stringer rod composed of a material to impart stiffness to the body of the bodyboard, such as a fiber-resin material, and a material to impart flexibi... | 03/14/2000 |
| 6034811 | Stress-optic beam scanner, system and method A stress-optic beam scanner and system which includes a stress-optic material selected to permit the scanning of an optical beam on a target typically over a scanning angle of greater than five degrees. The system includes a piezoelectric element controll... | 03/07/2000 |
| 6031046 | Unsaturated polyester resin composition The invention concerns an unsaturated polyester resin composition which contains a multifunctional polyacrylate aliphatic polyurethane oligomer or prepolymer of low molecular weight, a method of preparing such oligomers, and cured polymers and cured lamin... | 02/29/2000 |
| 6010382 | Hydroplane inner tube with adjustable seat An adjustable, seat-planar hydroplane apparatus of an inflatable, pneumatic inner tube with a central opening and a flexible cover encasing the tube and forming a smooth hydroplane bottom surface over the opening with an adjustable flexible strip detachab... | 01/04/2000 |
| 5997375 | Pull-on strap wakeboard binding and system A pull-on wakeboard binding which includes a heel receptacle with an outer rear surface, and a pull-on strap which is secured longitudinally and centrally to the rear exterior surface of the heel receptacle. The pull-on strap includes an upper open loop t... | 12/07/1999 |
| 5985675 | Test device for detection of an analyte A test device, system and method, the device composed of an elongated, toothbrush-shaped, transparent, plastic housing and a lateral-flow test strip for the detection of an analyte, such as a beta-lactam in milk, in the housing, the housing having an expa... | 11/16/1999 |
| 5981010 | Polyurethane-modified bitumen coating composition A polyurethane-modified bitumen coating composition of selected surface tack and fluidity. The composition includes: bitumen; a minor modifying amount of a polyurethane prepared by the reaction of a polyisocyanate and a hydroxyl terminated polybutadiene; ... | 11/09/1999 |
| 5972271 | Method of preparing moisture barrier sheet material A modified bitumen sheet material and method for a protective moisture barrier, particularly for masonry surfaces. The sheet material has a bitumen layer modified by the addition of a minor amount of a long-chain polybutadiene-isocyanate urethane polymer ... | 10/26/1999 |
| 5967327 | Article suspension package, system and method A package, system and method for the protective covering and immobilization of an article for packaging. The package comprises a base with tension-biased flaps to support the article within the base and side panels from the base to extend above the packag... | 10/19/1999 |
| 5965453 | Test apparatus, system and method for the detection of test samples The invention concerns a test apparatus for the testing of a test sample on or in a material, such as body fluids or food, particularly adapted to a bioluminescent test, such as for the detection of ATP or phosphatase or other materials. The test apparatu... | 10/12/1999 |
| 5965015 | Oil-water separator system with oleophobic fibrous filter An oil-water separator system and method to separate contaminated oil and water into clean water and free coalesced oil for collection and removal. The system includes a process tank for the oil and water, a pump to pump the oil and water through first an... | 10/12/1999 |
| 5962147 | Method of bonding with a natural rubber latex and laminate produced A composition, system and method of bonding together two substrates employing a deproteinized, enzyme-treated, natural rubber latex composition as a contact curing adhesive between the substrate surfaces.... | 10/05/1999 |
| 5947781 | Adjustable, high wrap wakeboard binding, system and method An adjustable wakeboard binding for use on a wakeboard comprising sheet material to form a heel assembly and a forefoot assembly of a boot-like enclosure. The binding is adjustable to a desired tension and foot size of a user by the use of hook and loop-t... | 09/07/1999 |
| 5934487 | Data document handling apparatus A data document handling or processing apparatus with a plurality of continuous, angular top surfaces to hold checks to be processed and an open side for the insertion of a computer keyboard to expose the numerical keyboard section for use.... | 08/10/1999 |
| 5934961 | Soft wakeboard and method A soft wakeboard for use behind watercraft, the wakeboard having a central torsion box with front and rear fin blocks, to secure front and rear fins thereto, and strengthened foam core blocks on either side to provide a foam core material. A closed-cell f... | 08/10/1999 |
| 5928045 | Continuous rail sports board and method A body or sports board having a continuous strip rail extending over the width of bevelled side, nose and side and optionally, also over the tail surfaces.... | 07/27/1999 |
| 5917592 | Photometer, and test sample holder for use therein, method and system A photometer and a test sample holder, with the holder having a light-blocking, black upper section and a light-transparent, lower section test sample vial, for use with the photometer. The photometer includes an O-ring seal at an input, to the light meas... | 06/29/1999 |
| 5911876 | Insitu zeolite filter bed system for the removal of metal contaminants A system for remediating groundwater contaminated with radionuclides, consisting of an underground bed of crushed zeolites. Distribution pipes convey contaminated groundwater to the zeolite bed by means of a pump, which draws the contaminated water throug... | 06/15/1999 |
| 5910034 | Integral overlay wakeboard binding and system A wakeboard binding which includes a single piece, adjustable, binding overlay elastomeric sheet material, with a pair of spaced apart extended arms, the binding adapted to be secured over the top surface of a heel and toe receptacle which form a boot-lik... | 06/08/1999 |
| 5908875 | Method of preparing a cured polyester resin composition A method of preparing a radiant energy cured polyester resin composition which contains a modified acrylic urethane prepolymer, a styrene monomer, and a photoinitiator. The polyester resin composition is cured by exposure to radiant energy alone or with p... | 06/01/1999 |
| 5879715 | Process and system for production of inorganic nanoparticles A process and system for the production of inorganic nanoparticles by precipitating the inorganic nanoparticles by a precipitating agent from a microemulsion with a continuous and a non-continuous phase; and concentrating the precipitated nanoparticles em... | 03/09/1999 |
