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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 5202811 | Electrical power system with high voltage protection responsive to plural control voltages Disclosed is an electrical power system adapted to receiving power from a source of alternating current, typically a small alternator and supplying a direct potentially to a load. This power system contains protective circuits which control or shut off a ... | 04/13/1993 |
| 5096589 | Hydrogen sulfide removal from reverse osmosis product water A method and system for treating water containing hydrogen sulfide. The system includes the demineralizing the water to remove mineral impurities. The demineralized water is then treated with chlorine to convert the hydrogen sulfide in the demineralized w... | 03/17/1992 |
| 5086730 | Bird feeder A bird feeder for preventing rodents from grabbing bird seed in the bird feeder. The feeder includes a silo having a first end and a second end with an opening to permit seed to flow onto a supporting tray below the silo. A conically shaped cover is attac... | 02/11/1992 |
| 5086725 | Unitized recreational boat construction A recreational boat construction utilizes a hull formed of a thin gauge metal, such as aluminum, with the hull having an upper extremity to which are fastened unitary superstructure members molded from a plastic resin. The superstructure panels are rigidl... | 02/11/1992 |
| 5084994 | Adjustable vehicle-mounted advertising signs and method An advertising display for use above the roof of a vehicle comprises a rigid aerodynamic member, which tapers rearwardly to a trailing edge with an upstanding brace extending into the aerodynamic member and with a window mount fixed to the brace and havin... | 02/04/1992 |
| 5076942 | Filter The present invention relates to a method for filtering liquids. More particularly it is concerned with providing a clog-resistant filter of the kind in which a open end and with walls of metal, plastic or other suitable material bearing numerous perforat... | 12/31/1991 |
| 5077545 | Surface acoustic wave waveguide-coupled resonator notch filter A surface acoustic wave (SAW) waveguide-coupled resonator filter is overcoupled to produce an essentially constant conductance and susceptance over at least the bandwidth of a desired notch filter. The SAW resonator filter is embedded in a bridged-T allpa... | 12/31/1991 |
| 5069356 | Easy open end with temporary retention center for safety purposes An end panel for an easy open end includes a pull tab fixed to the removable inside portion and a score line having two different defined depths, including a first severing depth passing under the nose of the pull tab and substantially all of the remainin... | 12/03/1991 |
| 5069064 | Magnet attachment to spring seat of fuel injection apparatus A spring seat assembly including a magnet generating a magnetic field in a fuel injection element such as a needle valve in fuel injection apparatus in an internal combustion engine equipped with a needle lift sensor. A magnet is attached to a cap of a no... | 12/03/1991 |
| 5059216 | Knee joint replacement apparatus During the course of a total knee replacement, at least one and preferably a number of different low friction members having rotated artificial surfaces of different rotated angles are provided in order to determine the appropriate angle and displacement ... | 10/22/1991 |
| 5059206 | Method and apparatus for repairing a tear in a knee meniscus A method and apparatus for repairing a tear in a knee meniscus of a patient utilizes a delivery device having a distal end dimensioned to extend into the interior of the patient's knee. A fastener is fitted within the distal end and is manipulated to exte... | 10/22/1991 |
| 5054500 | Catheter guiding and positioning method An apparatus and method for guiding and centering a catheter to a treatment site within a passageway in the human body includes a flexible tube having a distal end dimension to pass freely along the passageway, and a proximal end adapted to extend outside... | 10/08/1991 |
| 5052573 | Easy open end for containers employing enlarged moustache score An easy open end employs an enlarged "moustache" score, in which the apex of the outward curves of the score lie outside of the plane of the sides of the pull tab to effectuate a rolling of the metal ribbon between the rivet and the peripheral weakened ar... | 10/01/1991 |
| 5051565 | Baggage and passenger matching method and system A system and method for matching all loaded baggage with passengers during aircraft boarding provides each passenger with a boarding pass and baggage tags, each having the same unique machine readable code imprinted thereon. A scanner and memory device at... | 09/24/1991 |
| 5051028 | Method and apparatus for installation of drainage field A preassembled unit for a sewage nitrification field has minimum outward dimensions of loose, lightweight plastic aggregate material enveloped and bound by a plastic sleeve around a horizontal conduit. In one embodiment, the unit takes a bag form with an ... | 09/24/1991 |
| 5046019 | Fuzzy data comparator with neural network postprocessor A fuzzy data comparator receives a fuzzy data digital data bit stream and compares each frame thereof with multiple sets of differing known data stored in a plurality of pattern memories, using a selected comparison metric. The results of the comparisons ... | 09/03/1991 |
| 5045005 | Marine engine exhaust system and method A marine engine exhaust system and method utilizes first and second enclosed, generally tubular chambers having generally parallel lengthwise dimensions and internal intermediatae exhaust passageways spaced along the lengthwise dimension of the second cha... | 09/03/1991 |
| 5038023 | System for storing and monitoring bar coded articles such as keys in a drawer A secure storage system for keys or similar articles has an locked storage module with a drawer. A horizontal drawer shelf holds a plurality of cards in numbered slots. Each card has a self-clocking bar code ID number that is scanned by a fixed optical re... | 08/06/1991 |
| 5027390 | Coin validation method and apparatus for a coin telephone or similar system having an escrow mechanism A coin collection and analyzation apparatus has a coin track extending between a coin opening and an escrow relay which escrows coins and then diverts them either to a collection box or to a customer return. The coins are analyzed while passing along the ... | 06/25/1991 |
| 5020266 | Off-shore fishing lure A fishing lure includes a weighted head member having a leading, downwardly and forwardly angled planar front surface which causes the weighted head member to dive downwardly while oscillating, and further includes a generally planar fin attached to the h... | 06/04/1991 |
| 5018263 | Method for making a metal screen door frame A one-piece sealed, hollow, steel sliding screen door frame and method of fabrication thereof is described. A flat steel strip is diecut to produce 45° miter cuts, each having an opposing flap. The cut strip is rolled to produce a frame stock having an e... | 05/28/1991 |
| 5015123 | Method and apparatus for installation of drainage field A preassembled unit for a sewage nitrification field has minimum outward dimensions of loose, lightweight plastic aggregate material enveloped and bound by a plastic sleeve around a horizontal conduit. In one embodiment, the unit takes a bag form with an ... | 05/14/1991 |
| 5007432 | Radiation detection method and apparatus A medical diagnostic method and apparatus employs differential radiation detection apparatus for remotely detecting temperature differentials between a plurlity of areas on the surface of an object having a plurality of lenses which each focus a beam of r... | 04/16/1991 |
| 5006712 | Catoptric differential sensing device A radiation detector comprising a first pair of flat reflective surfces parallel to one another and connected by a second pair of flat rectangular reflective surfaces converging toward one another so as to form a reflective chamber having a relatively wid... | 04/09/1991 |
| 5005258 | Method and apparatus for eviscerating scallops A plurality of shucked shellfish are mechanically eviscerated utilizing a series of longitudinally aligned inclined channels, each channel formed of a power-driven roller and adjacent insert rollers, the insert rollers extending generally parallel and lon... | 04/09/1991 |
| 5005599 | Rising brace for invalid walker, and method A portable aid for assisting an invalid or elderly person in rising from a sitting position includes a portable vertical support and a brace member attached and stored with the portable vertical support. The brace member extends away from the vertical sup... | 04/09/1991 |
| 5003946 | Engine spark control apparatus This disclosure relates to apparatus for operating a combustion engine by controlling the spark ignition voltage to said engine. Said control is created by the application of two opposing currents to the input of an amplifying device which is used to sele... | 04/02/1991 |
| 5002051 | Method for closing tissue wounds using radiative energy beams The method and apparatus of the invention use a beam of laser emitted optical energy to effect wound closure and reconstruction of biological tissue. In response to input as to tissue type and thickness, a computer determines the output power, exposure ti... | 03/26/1991 |
| 4995857 | Left ventricular assist device and method for temporary and permanent procedures A left ventricular assist device and method is utilized to relieve the hemodynamic burden on a diseased left ventricle in the heart of a patient by inserting a shunt having an impellar for effectuating a substantially non-turbulent, non-traumatic flow of ... | 02/26/1991 |
| 4993351 | Rounded top header extrusion for boat windshields A rounded top header extrusion for boat windshields being constructed as a unitary extruded member for rigidly engaging a boat windshield. The extrusion provides a curved upper surface for supporting a boat canopy, and a recessed channel extending inwardl... | 02/19/1991 |
| 4988041 | Method and apparatus for watering cultivated land, providing a protection for cultivated plants Method and apparatus for protecting plants against the effects of a drop in ambient temperature by causing the formation and preservation of dew or rime, according to the circumstances. The apparatus comprises a "dew box" which measures the ambient temper... | 01/29/1991 |
| 4988062 | Apparatus, system and method for organizing and maintaining a plurality of medical catheters and the like An apparatus, system and method for organizing and maintaining a plurality of catheters, valves, intravenous and monitoring lines for patient care includes a member having a surface dimensioned to receive a patient, and with at least one wing rotatably co... | 01/29/1991 |
| 4984300 | Protective glove A protective glove of flexible, resilient foam material has a rear portion partially encircling the wrist and held thereto by a releasable circumferential elastic strap and a front portion, including a knuckle covering thickened portion and a downwardly e... | 01/15/1991 |
| 4984344 | Motor extension shaft removal tool The extension shaft removal tool consists of one base tool with two combination lifter plates and is specifically designed to separate the automatic washer drive motor shaft from the extension shaft of the clutch assembly.... | 01/15/1991 |
| 4970946 | Corner vent for windshields A corner vent for windshields having rearwardly extending panels utilizes a hollow corner post having a concave inner surface with one or more adjustable ventilators therethrough and communicating with the interior of the post. A vent door is formed in an... | 11/20/1990 |
| 4966701 | Filter The present invention relates to a filter for liquids. More particularly it is concerned with providing a clog-resistant filter of the kind in which a filter element (usually of hollow cylindrical shape), having at least one open end and with walls of met... | 10/30/1990 |
| 4966605 | Method for opening and closing surgical wounds A surgical method and apparatus for opening and closing surgical wound utilizes an elastic member which is adhered across the patient's skin at the treatment site. The wound is opened by cutting through the elastic member and through the patient's skin to... | 10/30/1990 |
| 4953788 | Water spray fitting A miniature irrigation water spray fitting includes a body part having a top and a bottom and with an inlet for receiving longitudinal flow of water from the bottom. The body part also includes a depending skirt between the top and the bottom extending ge... | 09/04/1990 |
| 4947780 | Modular floating structures and methods for making A buoyant module which is useful in the construction of modular docks, marinas and the like is fabricated by providing a buoyant member and applying a protective sheet over a portion of the member, and pumping a fiber-reinforced concrete layer over one fa... | 08/14/1990 |
| 4947519 | Method and apparatus for eviscerating scallops A plurality of shucked scallops are mechanically eviscerated utilizing a series of longitudinally aligned inclined channels, each channel formed of a bottom roller and adjacent side rollers, the side rollers extending generally parallel with and longitudi... | 08/14/1990 |
