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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 |
| 5910710 | Method and apparatus for powering an electrodeless lamp with reduced radio frequency interference An electrodeless lamp waveguide structure includes tuned absorbers for spurious RF signals. A lamp waveguide with an integral frequency selective attenuation includes resonant absorbers positioned within the waveguide to absorb spurious out-of-band RF ene... | 06/08/1999 |
| 5847517 | Method and apparatus for igniting electrodeless lamp with ferroelectric emission Ignition of an electrodeless lamp, energized by microwave or radio frequency energy, is achieved by disposing a ferroelectric igniter in the lamp envelope along with the fill material. The igniter responds to switching of its spontaneous ferroelectric pol... | 12/08/1998 |
| 5152765 | Inserter for engaging tissue to be oriented adjacent bone A cannulated bioabsorbable tack has annular ribs configured to enhance fixation to tissue, such as bone, and is particularly effective for attaching soft tissue to bone, such as ligaments or muscles in the shoulder. Apparatus and method for display the ta... | 10/06/1992 |
| 5129906 | Bioabsorbable tack for joining bodily tissue and in vivo method and apparatus for deploying same A cannulated bioabsorbable tack has annular ribs configured to enhance fixation to tissue, such as bone, and is particularly effective for attaching soft tissue to bone, such as ligaments or muscles in the shoulder. Apparatus and method for deploying the ... | 07/14/1992 |
| 5127351 | Batten end fitting A batten end fitting includes a coupling having slots therein for securely receiving slides mounted for movement in a mast track formed longitudinally in a mast and rollers rotatably mounted thereon for movement along the mast in response to movement of t... | 07/07/1992 |
| 5123645 | Projectile with interiorly weighted flow passage insert A football-like projectile having a central longitudinal bore includes a weighted insert in the bore to concentrate the weight of the projectile interiorly of the ball about the longitudinal axis. The insert is provided with a longitudinal flow passage to... | 06/23/1992 |
| 5123698 | Bicycle seat with adjustable support platforms An adjustable bicycle seat includes first and second support platforms laterally separated by first an second relatively slidable, horizontally oriented, overlapping flanges respectively joined to the first and second support platforms and having a bolt e... | 06/23/1992 |
| 5120225 | Method and apparatus for brushing teeth with cyclically rotating brush strokes A toothbrush includes a cluster of rotatable bristle tufts disposed between two longitudinally spaced clusters of positionally fixed bristle tufts. The fixed bristles frictionally engage tooth surfaces to oppose longitudinal movement of the brush head in ... | 06/09/1992 |
| 5120183 | Load transporting dolly A load transporting dolly includes a frame having a flange on a lower end thereof to be positioned above an upstanding wall of a tray containing a load and a foot positioned in spaced relation with the flange for engaging the load when the flange is place... | 06/09/1992 |
| 5109961 | Suitcase having wheels and flexible body construction A suitcase including a plurality of independently, selectively accessible compartments defined by a pair of opposed sides and having retaining devices for securing articles in the compartments with respect to the sides of the suitcase, a handle attached t... | 05/05/1992 |
| 5107908 | Apparatus for supporting a container for fluid material Automated gel permeation chromatography of multiple individual samples is effected with high precision and high speed utilizing a common sample sizing loop into which each sample is placed prior to its injection into the chromatography column, thereby eli... | 04/28/1992 |
| 5103653 | Icemaker/water purifier with convective melting A refrigeration system employed as an icemaker, in which part of the ice so produced is stored in a bin, and in which, part of the ice is then melted to provide a supply of purified water in a container. In one embodiment convection flow of air conveys he... | 04/14/1992 |
| 5102338 | Method for training children in the art of dialogue writing A method for training individuals in the art of writing dialogue utilizes a bound volume of pages depicting scenes arranged in a sequence pursuant to a pre-prepared story outline. Each scene includes one or more characters in the story and enclosed captio... | 04/07/1992 |
| 5097781 | Mast boot A mast boot includes a flexible cover for encircling a mast mounted in a mast collar in a deck opening on a sailboat having a lower edge to be positioned around the mast collar and an upper edge to be positioned around the mast above the mast collar and o... | 03/24/1992 |
| 5092367 | Asymmetrical skid assembly A skid assembly for supporting a packer or the like in a pipeline includes three skid blades of different configuration whereby the radial apex of each blade is longitudinally offset from the radial apex of the other blades. With this configuration the sk... | 03/03/1992 |
| 5091092 | Single-loop chromatography system and method Automated gel permeation chromatography of multiple individual samples is effected with high precision and high speed utilizing a common sample sizing loop into which each sample is placed prior to its injection into the chromatography column, thereby eli... | 02/25/1992 |
| 5089895 | Encapsulated television camera and method and apparatus for fabricating same A television camera is encapsulated in plastic material providing protection from environmental hazards. The camera, including a camera body, lens and lens cover glued to the lens, is embedded in and chemically bonded to the encapsulate material. A lens o... | 02/18/1992 |
| 5080647 | Composition for preventing clouding of posterior capsule after extracapsular cataract eye surgery and method of performing cataract surgery The present invention relates to compositions for killing undifferentiated epithelial cells during cataract surgery on an eye to prevent posterior capsule clouding after the surgery and to a method for performing cataract surgery on an eye including injec... | 01/14/1992 |
| 5074874 | Suture devices particularly useful in endoscopic surgery Suture devices, primarily for use in endoscopic surgery, include a suture needle having a length of suture material attached thereto with a contractible loop or passage at the proximal end of the suture material to allow the suture needle to be passed the... | 12/24/1991 |
| 5073555 | Medicaments intended for combined use in the improvement of lymphocyte function to lower cholesterol levels A new composition, useful as a medicament, contains ascorbate, preferably as metallic salt(s), in combination with a dopamine agonist such as bromocriptine, with the ratio by weight of ascorbate to bromocriptine being 400:1 or greater. This combination, b... | 12/17/1991 |
| 5071144 | Horse driven hitch cart A horse-drawn hitch cart has its tongue adjustably positioned laterally, by means of a clevis and plural hand-actuable locking pins, along an apertured drawbar suspended forwardly and below the floor level of the cart frame to be rotatable about a lateral... | 12/10/1991 |
| 5061238 | Surgical cutting instrument with titanium nitride coating on an inner tubular member A surgical cutting instrument having elongate inner and outer tubular members with distal ends cooperating to cut bodily tissue and aspirate the cut bodily tissue through the inner tubular member includes a coating of titanium nitride formed on the inner ... | 10/29/1991 |
| 5056548 | Check valve assembly with removable seat A removable valve seat has a peripheral annular flange retained between an annular shoulder in a flow passage and a pair of retainer pins slidably received in bores defined in the valve body. The pins are not threadedly or otherwise engaged in the bores b... | 10/15/1991 |
| 5055646 | Slow positive action low amperage switch A single pole, single throw switch for flashlights and other low amperage circuits is enclosed in a dielectric housing having an electric circuit contact fixed therein, the switch being selectively actuable by moving a threaded portion of a first electrod... | 10/08/1991 |
| 5047052 | Anterior chamber intraocular lens with four point fixation An intraocular lens for implant in the anterior chamber has four fixation members extending from a lens body with the lens body having curved, opposed end peripheral edges and curved side peripheral edges, the radius of curvature of the end peripheral edg... | 09/10/1991 |
| 5042532 | Expandable tube apparatus for repairing pipelines Pipeline repair and leak sealing are effected by unrolling a tube, using an inflatable mandrel disposed inside the tube, to radially expand a stretchable and circumferentially continuous gasket or sealant sleeve into flush contact with the pipeline interi... | 08/27/1991 |
| 5036830 | Method and apparatus for burning stacked newspapers in a fireplace or stove A method and apparatus for burning a stack of newspapers in a fireplace or stove includes a firebox positionable in a fireplace or stove and having a floor for horizontally supporting a stack of newspapers and an air supply unit for directing a flow of ai... | 08/06/1991 |
| 5036739 | Apparatus for trimming continuous sheet Apparatus for trimming a lateral edge of a moving continuous sheet including a hold down plate selectively movable to positions spaced from the lateral edge of the sheet and covering the lateral edge, a cutting blade carried on the hold down plate selecti... | 08/06/1991 |
| 5032184 | Method for aspirating liquid from surgical operating room floors A method and apparatus for aspirating fluids from a surgical operating room utilizing a suction head that readily slides along the floor in response to translational forces applied by foot by operating room personnel. The suction head has a flat bottom su... | 07/16/1991 |
| 5032157 | Icemaker system with wide range condensing temperatures A refrigeration system having two alternatively actuable condensers operating at different condensing temperatures and pressures includes a compensatory metering arrangement for preventing significant changes of refrigerant fluid flow rate to the system e... | 07/16/1991 |
| 5019079 | Bone screw A guided bone screw includes proximal and distal sections threaded with different pitches in the same direction and spaced by an unthreaded intermediate section having a shorter length than the distal section with a diameter substantially equal to the maj... | 05/28/1991 |
| 5014389 | Foot manipulated suction head and method for employing same A method and apparatus for aspirating fluids from a surgical operating room utilizing a suction head that readily slides along the floor in response to translational forces applied by foot by operating room personnel. The suction head has a flat bottom su... | 05/14/1991 |
| 5013295 | Syringe for use in cataract surgery A syringe, particularly useful for surgery of the eye, includes first and second tubular members disposed in concentric relation, a chamber having a piston movable therein to define a first chamber portion on one side of the piston communicating with a pr... | 05/07/1991 |
| 5013344 | Icemaker and water purifier with controlled condensing temperature The system disclosed in my U.S. Pat. No. 4,897,099 for deriving purified ice pieces and purified water from tap water is modified by providing a metal or thermally conductive heat flow path from an alternative refrigerant condenser to the ice collection b... | 05/07/1991 |
| 5011524 | Ice maker and water purifier employing pre-cooled make-up water The efficiency of the system disclosed in my U.S. Pat. No. 4,897,099, wherein purified ice pieces and purified liquid water are derived from tap water, is improved by transferring heat from the tap water to the collected ice pieces. The transferred heat w... | 04/30/1991 |
| 5000451 | Game ball A football or other projectile is stabilized in flight by weighted material that responds to spinning of the football about its major axis by moving radially outward to become evenly distributed about that axis. In a preferred embodiment, two annular tube... | 03/19/1991 |
| 4998417 | Icemaker system with wide range condensing temperatures A refrigeration system having two alternatively actuable condensers operating at different condensing temperatures and pressures includes a compensatory metering arrangement for preventing significant changes of refrigerant fluid flow rate to the system e... | 03/12/1991 |
| 4988351 | Washer for use with cancellous screw for attaching soft tissue to bone A soft tissue washer for use with a cancellous screw for attaching soft tissue, such as ligaments, to bone has posts disposed on a distal face of a washer body to limit penetration of sharp pins extending from the distal face into soft tissue, an annular ... | 01/29/1991 |
| 4986825 | Surgical cutting instrument A surgical cutting instrument includes movable and stationary jaws at a distal end of an elongate probe formed of an outer tubular member and an inner tubular member rotatable therein, a cam and cam follower at the distal end for translating rotary motion... | 01/22/1991 |
| 4981149 | Method for suturing with a bioabsorbable needle Suture devices, primarily for use in endoscopic surgery, include a suture needle made of bioabsorbable material for pulling a length of suture material through bodily tissue allowing the suture needle to be inadvertently or intentionally left in the tissu... | 01/01/1991 |
