Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 4914804 | Method of making a surface mountable electronic device A method of making a surface mountable electronic device comprising the steps of providing a discrete electronic device comprising a body and a pair of spaced apart leads each of substantially circular cross-section and extending axially outwardly from th... | 04/10/1990 |
| 4909247 | Aircraft emergency breathing assembly An emergency breathing assembly adapted for use in an aircraft to automatically present a breathing mask to a user upon a loss of cabin pressurization. The assembly includes a storage container having an access opening for deployment of the mask stowed wi... | 03/20/1990 |
| 4908928 | Slug riveting method and apparatus A method and apparatus for riveting two workpieces (10, 12) together by simultaneously upsetting both ends of a slug rivet (R) while maintaining the outer surface (16) of one of the workpieces (10) in a substantially constant fixed work plane (20) during ... | 03/20/1990 |
| 4898319 | Ambient air exclusion system for brazing ovens A brazing oven includes an arrangement employing a gas curtain or barrier to cover the port or opening of the oven whenever the door is opened. The curtain or barrier is formed by a region of flowing conditioned air directed across the opening. The flowin... | 02/06/1990 |
| 4885670 | Portable lamp A portable electric lamp of explosion-proof construction including an elongated hand grip, an elongated flourescent bulb having a U-shaped light-generating portion supported at one end of the hand grip and a transparent tube positioned about the light-gen... | 12/05/1989 |
| 4885557 | Broadband constant voltage multicoupler A broadband, constant voltage multicoupler including an input port and a plurality of output ports wherein the impedance rises in the same proportion as the power falls in the internal branches so that the voltage is substantially constant therein. The mu... | 12/05/1989 |
| 4879996 | Closed circuit breathing apparatus A closed circuit breathing apparatus such as that worn by personnel in irrespirable atmospheres. The apparatus is mounted on a backframe and housing 14 and is adapted to be interconnected with a face mask 12. The apparatus includes exhalation and inhalati... | 11/14/1989 |
| 4878017 | High speed D.C. non-contacting electrostatic voltage follower A non-contacting electrostatic voltage follower employs a vibrating capacitance detector coupled to a measured surface containing both wideband electrostatic A.C. data and D.C. potentials. A detector amplifier having an inverting input is connected to the... | 10/31/1989 |
| 4875709 | Controlled leak path A novel fluid coupling assembly in combination with a fluid line provided with a controlled leak path. The fluid coupling assembly includes a coupling body 12 having generally concentric first and second bores 36, 38, of greater and lesser diameters, resp... | 10/24/1989 |
| 4875240 | Pants construction and associated method A pair of pants and an associated method of construction utilizes an hourglass-shaped panel and a pair of leg sections each including a tube-like portion operatively attached to the hourglass-shaped panel. The hourglass-shaped panel defines, when placed i... | 10/24/1989 |
| 4874351 | Continuously variable belt-drive transmission A continuously variable belt-drive transmission of the type having spaced apart sheaves each provided with a plurality of sheave segments which may be moved radially inwardly and outwardly. A novel control is provided for selectively moving the segments i... | 10/17/1989 |
| 4871032 | Deep tillage implement A deep tillage earth engaging implement having a frictional attachment to a tine of an agricultural machine in which the attachment portion incorporates a socket with a cross-section tapering toward the earth engaging portion. The foot of the tine is of c... | 10/03/1989 |
| 4871104 | Automatic vertical glass cutting machine The invention provides an automatic vertical glass cutting machine, including a cutting-wheel holder carriage which is movable vertically over a predetermined height of a vertical rap under the action of an actuator of the pneumatic kind, the cutting-whee... | 10/03/1989 |
| 4869245 | Automatic release mechanism for a breathing mask An expolosively-activated mechanism for releasing a breathing mask from a protective helmet to permit the user to breathe the ambient atmosphere independently of the mask utilizes coacting mechanisms in the form of a bayonet and a bayonet receiver and an ... | 09/26/1989 |
| 4864713 | Method and apparatus for positioning tooling and riveting A method and apparatus for positioning tooling and riveting the apparatus including a frame provided with opposed riveting rams (96, 86) and clamps (34, 36). The first clamp (34) is extended above the work plane established by the outer surface of one wor... | 09/12/1989 |
| 4864702 | Five axis riveter Riveting apparatus for operation on a workpiece having opposite sides and supported vertically on a horizontal surface comprising a frame having a pair of spaced apart sides movable along the supporting surface and straddling the workpiece, first and seco... | 09/12/1989 |
| 4863324 | Quick change attachment for clamping chucks Quick change attachment for clamping chucks on a machine spindle in which a locking bush (32) is actuated by an axially shiftable locking piston for actuating the chuck clamping, while an adjusting rod (44) adjustable from the clamping cylinder is provide... | 09/05/1989 |
| 4860585 | Measuring and indicating device for a snow skier A measuring and indicating device for a snow skier including a rotatable roller attachable to the rear of a ski and adapted to rotate in rolling contact with the underlying snow utilizes an indicator unit positionable remote of the roller such as upon the... | 08/29/1989 |
| 4858289 | Dimpling and riveting apparatus Dimpling and riveting a workpiece wherein the workpiece is clamped, the dimpling, drilling and riveting occur sequentially while the workpiece is clamped, and the workpiece is heated prior to dimpling. During clamping a pressure foot force is applied to o... | 08/22/1989 |
| 4858641 | Shut-off valve A shut-off valve for liquids and other substances to be attached to the outlet flange of a container, with a cylindrical valve body (2) which extends through the valve housing inclined at an acute angle to the vertical and whose cylindrical guide (14) end... | 08/22/1989 |
| 4856991 | Orthodontic finishing positioner and method of construction An orthodontic finishing positioner for maloccluded teeth to which are secured coupling members having portions protruding from the sides thereof, the positioner comprising an arcuate body of elastomer base material positioned about the teeth and coupling... | 08/15/1989 |
| 4853637 | Fluid conductivity sensor for actuating an electroexploding device Apparatus for sensing the electrical conductivity of fluid wherein when electrodes of the apparatus are exposed to fluid a voltage is developed on a capacitor which voltage has a magnitude determined by the condition of the electrical conductivity of the ... | 08/01/1989 |
| 4837961 | Recoil assembly for pump guns A recoil assembly which is adapted to be removably secured to a pump gun such as an assault shotgun. The recoil assembly includes a tubular slide handle, a body portion and a handle. The slide handle is mounted about the magazine tube for reciprocating mo... | 06/13/1989 |
| 4835662 | Light assembly for a smokestack or the like A light assembly for illuminating an industrial smokestack or the like having a ladder attached thereto utilizes an obstruction light and an elongated member having one end which is pivotally connected to the outside surface of the smokestack and another ... | 05/30/1989 |
| 4832653 | Toy musical instrument A toy musical instrument of the type commonly known as a kazoo having an open-ended turret section, a resonating membrane positioned within the turret section and a retainer member for installation within the turret section and for releasably securing the... | 05/23/1989 |
| 4832926 | Chlorine gas filtering material suitable for use in a chemical oxygen generator and method of making A chlorine gas filtering material suitable for use in a high temperature oxygen environment, and a method of making the filtering material. The filtering material is prepared by impregnating a porous manganese dioxide and copper oxide hopcalite catalyst p... | 05/23/1989 |
| 4830940 | Non-agueous lithium battery A solid cathode liquid organic electrolyte lithium cell for delivering high current pulses comprising a casing, a cathode structure inthe casing comprising a plurality of plates in spaced apart relation, a lithium anond comprising a plurality of anode sec... | 05/16/1989 |
| 4828120 | Office accessory system suspendible from a vertical surface An office accessory system for attachment to a wall-mounted load bar for suspension from a vertical surface includes an office accessory suitable for use in either a vertical or horizontal orientation and a pair of mounting brackets. The mounting brackets... | 05/09/1989 |
| 4827844 | Electronic firing circuit A circuit for operating a load device comprising an operating circuit including an energy storage device for providing electrical energy for operating the device and a voltage responsive switch having a control terminal and connected between a voltage sou... | 05/09/1989 |
| 4829194 | Device for detecting the variation of thickness of a fabric and a process for calibrating same A device for detecting a thickness variation of a piece of fabric passing under the presser foot of a sewing machine. The device includes a transmitter and receiver between which the fabric passes. The receiver stores maximum and minimum signals in memory... | 05/09/1989 |
| 4821408 | Programmable fixture and assembly cell A programmable or flexible fixture for holding a plurality of details comprising an assembly during assembly processes thereon comprising an elongated base supported in a predetermined position, a plurality of positioning units located at spaced locations... | 04/18/1989 |
| 4819856 | Method and apparatus for inserting fasteners Method and apparatus for inserting fasteners into holes in a workpiece. The apparatus includes a finger carrying device which is carried by an anvil for telescoping movement relative to the anvil, the finger carrying device includes a bore coaxial with th... | 04/11/1989 |
| 4817965 | Device for assembling, by clipping, moldings incorporating several rabbets The invention relates to a device for assembling mouldings incorporating several rabbets, which comprises a table for positioning the mouldings, slides supporting this table, rendered fast with two columns which are connected in their lower part by a base... | 04/04/1989 |
| 4816259 | Process for coating gelatin capsules This invention provides a new gelatin capsule formulation and subcoating for producing soft gelatine capsules having better mechanical strength and an improved capacity for adhering to known coating compositions, particularly enteric coating compositions.... | 03/28/1989 |
| 4812376 | Anode coating for lithium cell In an alkali metal/halogen or oxyhalide electrochemical cell wherein an alkali metal anode, preferably lithium, has a surface in operative contact with a halogen-containing or oxyhalide cathode/electrolyte including a solvent if necessary, a coating on th... | 03/14/1989 |
| 4810000 | Compensating training wheel assembly for a bicycle A training wheel assembly for a bicycle including brackets for attachment to the body of the bicycle and a pair of auxiliary wheels supported by the brackets for engagement of the ground distally of and to opposite sides of the bicycle utilizes a link mem... | 03/07/1989 |
| 4810446 | Method of making straw briquettes Procedure for the manufacture of briquettes or pills for stoking made of stems from grain or straw or similar cellulosic waste material with the admixture of a binding agent. Compressing, principally by trace or piston pressing, at a pressure temporarily ... | 03/07/1989 |
| 4806049 | Process and device for temporarily supporting the walls of a trench In a trench is disposed a closed flexible envelope filled with a fluid having a density or pressure greater than that of the surrounding fluid, movable by itself under the effect of the pressure exerted at its end by said pipe, which envelope is in the fo... | 02/21/1989 |
| 4805258 | Battery powered walk behind floor burnisher A battery powered walk behind floor burnishing unit (10). The unit includes a main frame (12) supported by wheel means (18, 20, 36), the main frame being capable of supporting a plurality of batteries (14). At least one of the wheels (18) may be driven. A... | 02/21/1989 |
| 4803980 | Automatic breathing mask release mechanism Apparatus for separating a breathing mask from a helmet automatically upon the occurrence of a predetermined event, the mask having a bayonet connection to a bayonet receiver carried by the helmet. A piston and an explosive cartridge are arranged in an ac... | 02/14/1989 |
