Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 4871085 | Apparatus for identifying and indicating the content of document canisters Apparatus for identifying and indicating the content of document canisters such as those used to hold supplies of documents in Automated Teller Machines (ATMs), includes a canister (10) holding a stack of documents (30) and having a face plate (24). Face ... | 10/03/1989 |
| 4867445 | Resistance-type exercise apparatus Exercise apparatus including an arm pivotally mounted on a base, a fluid actuator carried by the arm and having a piston drive by an arm also pivotally mounted on the base, and a member for rotating the arm to move the piston against force resulting from ... | 09/19/1989 |
| 4859464 | Method for the purification of parasite antigenic factors A method for the solubilization and recovery of insoluble parasite protective antigenic factors associated with parasite material comprising solubilizing the antigenic factors with a non-ionic detergent and separating the solubilized material from undispe... | 08/22/1989 |
| 4851706 | Electronic-safety ski binding release A system for processing analog electrical input signals to produce output signals having frequencies determined by electrical adapting signals, in which the adapting signals may depend upon characteristics of the input signals.... | 07/25/1989 |
| 4844333 | Spa side control unit A control unit for a spa or hot tub system is disclosed. The control unit is safe and protects the user from electric shock when operating the various spa equipment. Also, the unit allows the control and operation of all the spa equipment from a single lo... | 07/04/1989 |
| 4841759 | Auto guiding combination lock A fast opening, high security combination lock includes a case, a dial connected to a rotatable spindle, and a plurality of rotatable tumblers mounted coaxially therewith. A movable impeller mounted on said spindle is carried by internal projections in th... | 06/27/1989 |
| 4838901 | Lightweight filter A lightweight, snap together filter is provided for use under high stress environmental conditions. The casing and cover of the filter may be molded from high strength plastics and has been designed to snap together by a snap lock mechanism to secure a su... | 06/13/1989 |
| 4834414 | Toe piece for safety ski-binding A toe piece for holding a ski-boot in a safety ski binding, which toe piece is pivotable against a biasing force when excessive side forces occur. The toe piece includes a base plate and a pair of elongated, generally parallel side members, each of which ... | 05/30/1989 |
| 4828979 | Nucleotide analogs for nucleic acid labeling and detection Nucleotide analogs, modified by the attachment at hydrogen bonding positions of linker groups, that is, the 6-position of adenine, 4-position of cytosine, and 2-position of guanine, are prepared. Such analogs, alone or with reporter groups attached, may b... | 05/09/1989 |
| 4824107 | Sports scoring device including a piezoelectric transducer Disclosed is a device for generating an analog output signal indicative of an impact to a transucer. The tranducer may be mounted on protective equipment utilized in various martial arts fields, such as headgear, hand or footgear, protective vests and the... | 04/25/1989 |
| 4823619 | Sensor and transducer apparatus Pressure sensor apparatus comprising fluid filled pads which are compressible in response to pressure for deflecting diaphragms to effect electrical signals reflective of the pressure.... | 04/25/1989 |
| 4820760 | Non plateout molding composition A novel molding composition is described which prevents plateout of pigment on the surface of a mold or shaping apparatus during the molding or shaping operation. The composition has improved thermal and oxidation stability as well as increased compatibil... | 04/11/1989 |
| 4813540 | High impact strength protective seals for tape reels A high impact strength protective seal for packaging reels of magnetic tape, cinematographic film or the like and for storing them in a suspension type storage cabinet has been developed. The seal is of a single piece design, i.e., a molded unitary lockin... | 03/21/1989 |
| 4813150 | Archery sight A sighting device for use with an archery bow, comprising a mounting plate mountable on the bow; an elongated support track attached to the mounting plate; at least one blade-like sight element connected generally perpendicular to the support track, the b... | 03/21/1989 |
| 4796312 | Bathtub with access door in the side thereof A bath tub (13) having side walls (15, 16), a rear wall (14), an entrance and a door (20) for closing the entrance, the entrance having a seal (39) engageable with a chamfered inner surface (41) of the door when the door is closed and water pressure is ex... | 01/10/1989 |
| 4795185 | Heel piece for safety ski binding A heel piece of a safety ski binding, said heelpiece comprising: a base attachable to a ski; opposed vertical support members mounted on said base, each support member including a track formed by an outwardly curved surface terminating in first and second... | 01/03/1989 |
| 4794924 | Laryngeal stent A surgical device for insertion into a living being to support the larynx comprised of an elongated tubular member having a closed, crowed upper end. The device is comprised of a resilient biocompatible polymer material and includes an elongated, narrow a... | 01/03/1989 |
| 4775484 | Method and apparatus for the continuous separation of contaminants from a fluid mixture A continuous and valveless sorber device is described which utilizes a novel rotating sorption bed which operates through at least three zones (sorption, desorption and cooling). The rotating sorption bed is contained within a plurality of manifolds and t... | 10/04/1988 |
| 4772844 | High precision capacitance bridge A capacitance measuring device and method including a ratio transformer, a reference capacitor(s), and multiplying digital to analog converters connected to form a bridge, the converter being adjustable to at least partially balance the bridge. The bridge... | 09/20/1988 |
| 4763918 | Ski brake The invention relates to a ski brake that is integrated into the housing of a safety ski binding. The ski brake has a pair of bushings aligned along a horizontal axis through the housing of the ski binding. The bushings rotate in the housing of the bindin... | 08/16/1988 |
| 4761005 | Sports scoring device including a flexible prezoelectric layer resilient layer Disclosed is a device for generating an analog output signal indicative of an impact to a transducer. The transducer may be mounted on protective equipment utilized in various martial arts fields, such as protective vests and the like or can be mounted on... | 08/02/1988 |
| 4757682 | Axial flow turbine An axial flow turbine having one or more turbine wheels functioning both as the compressor and the turbine sections. Fluid flow is redirected over the compressor section to effect multiple stages of compression.... | 07/19/1988 |
| 4752517 | Method of interconnecting a panel edge member to panel portions A method of interconnecting a panel edge to a structural member with an adhesive which will only bond to the panel material comprises positioning the panel edge in a groove of the structural member which is filled with the adhesive. The groove has converg... | 06/21/1988 |
| 4747768 | Apparatus for manufacturing shaped articles of plastics material, particularly filling pipes for fuel tanks of motor vehicles In order to manufacture shaped tubular articles of plastics material, a semi-finished tube of softened plastics which is substantially straight and has a diameter about equal to the diameter of the article to be formed is introduced into a mould defining ... | 05/31/1988 |
| 4746560 | Decorative composite panel A decorative synthetic composite panel having a reinforced base portion comprised of a plurality of layers of fiber glass mat impregnated with a polyester resin, an overlying resin impregnated graphic print sheet, and a transparent resin overlay.... | 05/24/1988 |
| 4739639 | Auto-directing lever lock An auto-directing lever lock includes a case housing a cylinder (4) with a plug (3) mounted for movement therein. The plug includes a keyway (14) for accepting a key bit (7). A keyway opening (15) on the surface of the plug provides access for lever tumbl... | 04/26/1988 |
| 4738169 | Wrench A wrench construction wherein the wrench can be formed from an injection molded plastic material, and includes a handle and respective first and second head members extending from the ends of the handle. One of the head members is larger than the other, a... | 04/19/1988 |
| 4735435 | Front-piece for a safety ski-binding A front piece for safety ski bindings having a sole holder adapted to be pivoted sideways against the force of a spring and serving to support the ski boot sole sideways and towards the front, a pedal for actuating a control mechanism which maintains the ... | 04/05/1988 |
| 4735434 | Toe piece for a safety ski-binding A toe piece for safety ski-bindings, which toe piece can pivot outwardly in a sideways direction against a biasing force if excessive lateral forces occur. A supporting member (8) is connected to two side holding members (9,10) adapted to support the sole... | 04/05/1988 |
| 4730430 | Abrasive tool A relatively thin, hand-held tool for abrading, sanding or polishing a workpiece comprised of an elongated body constructed to carry a flexible, endless strip longitudinally therebout. The body includes handlike portion and a workpiece engaging portion, w... | 03/15/1988 |
| 4728117 | Toe iron for safety ski bindings A toe piece for a safety ski binding comprised of a base plate, and a pair of elongated, generally parallel side members each pivotally mounted at one end to the base plate. A connecting link having a detent depression pivotally connects the other ends of... | 03/01/1988 |
| 4726457 | Coin mechanism A coin mechanism for vending machines comprising a coin receptacle, a detector for unlocking a dispensing mechanism only when a coin of the proper size is received in the receptacle, and a coin retaining device for retaining coins deposited in the mechani... | 02/23/1988 |
| 4721394 | Mixing blade construction A mixing blade assembly including a hub, a set of impeller blades having air foil configurations and flat end portions for attachment to corresponding flat surfaces of mounting members which attach the blades to the hub. The flat attachment surfaces avoid... | 01/26/1988 |
