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| Number | Title | Issue Date |
| 4995556 | Unitized sodium bicarbonate deodorizer A unitized deodorizer for placement in restricted locations where odor control is desirable. The unitized deodorizer includes a portion of conventional sodium bicarbonate (NaHCO3) or baking soda which is provided with or without a container. In... | 02/26/1991 |
| 4952424 | Method for repairing leaking fuel tanks A process for repair of leaking fuel tanks containing gasoline, diesel fuel, and benzene ethyl alcohol mixtures has been incorporated which makes it economically feasible for repair of all fuel tanks made of metal. The process includes prepairing the fuel... | 08/28/1990 |
| 4937591 | Apparatus for correcting quantity of light from optical printer An apparatus for correcting the quantity of light from an optical printer arranged a plural number of luminous elements therein, which comprises a producing circuit for producing a plural number of timing signals of different pulse widths and output timin... | 06/26/1990 |
| 4928092 | Pattern input unit According to a pattern input unit of the invention, when a pattern is written by hand on an absolute coordinate data output means, a decision will be made on whether a segment or two points must be formed by a decision means according to two absolute coor... | 05/22/1990 |
| 4926592 | Breakaway sign post coupling A breakaway coupling to be interposed between a ground mounting post and a support post carrying a highway sign, barricade or similar highway appurtenance. The coupling has a horizontal plate on a pedestal which attaches to the mounting post and a horizon... | 05/22/1990 |
| 4921362 | Bearing assembly with seal The present invention provides a bearing assembly for use in a display assembly having a plurality of louvers which rotate in synchronism with each other and, in doing, displays different advertising messages. The bearing assembly includes a housing havin... | 05/01/1990 |
| 4918592 | Power regulating system for portable engine generator There is disclosed a power regulating system for portable engine generator wherein overcurrent protection is provided by connecting the AC output of an AC generator driven by an engine to a rectifier for conversion to a DC current, supplying the DC curren... | 04/17/1990 |
| 4917430 | Pickup truck conversion There is disclosed a pickup truck conversion and a method of providing the same involving placing an access opening in the side wall of the pickup truck between the door and the rear-wall of the cab. In axial alignment with said access opening there is pr... | 04/17/1990 |
| 4917212 | Speaker supporting unit A speaker is installed on a door panel of an automobile by utilizing a supporting unit including a base and a substantially disc-shaped spacer. The base is attached to the door panel and has a bottom surface inclined with respect to the door panel. The sp... | 04/17/1990 |
| 4909538 | Vehicle for sporting use A vehicle for sporting use comprises an articulated frame supporting three or more ground-engaging wheels at least one of which is steerable by means of a suitable steering control member, and a support platform for the user; all the ground-engaging wheel... | 03/20/1990 |
| 4907061 | Electronic device The electronic device relating to the invention is that in which an electrode is formed on the rear side surface of a semiconductor element, a circuit wiring and an external electrode connected electrically to one end of the circuit wiring are formed on t... | 03/06/1990 |
| 4902956 | Safety device to prevent excessive battery drain A safety device is wired in series with selected accessories in a wiring circuit for a vehicle. The safety device of the present invention determines the state of charge of the battery as a function of the rate of discharge of the battery. When the state ... | 02/20/1990 |
| 4902012 | Ball game practice apparatus A ball game practice apparatus having a ball supported at a lower end of a dangling elastic member suspended from a middle portion of an elongate lateral elastic member supported by and fixed at its ends to an elongated frame having ends thereof held abov... | 02/20/1990 |
| 4899238 | Cartridge shutter actuating device in recording and/or reproducing apparatus A device for opening a shutter of a disc cartridge along with insertion of the disc cartridge into a holder of a recording and/or reproducing apparatus for performing recording and/or reproducing operation is disclosed. The device includes at least one ar... | 02/06/1990 |
| 4898482 | Replaceable shim A shim is provided for a planetary gear arrangement of the type having planetary gears each of which is rotatably mounted to a frame by a shaft. The shim includes an elongated flat body having a generally U-shaped recess at one end and which is adapted to... | 02/06/1990 |
| 4895700 | Low grade material axle shaft A new SAE 1541M alloy steel composition consisting essentially of 0.40-0.48% carbon, 1.35-1.61% maganese, 0.16-0.30% silicon, 0-0.23% chromium and the balance iron and other materials not affecting hardenability of the steel, especially adapted for formin... | 01/23/1990 |
| 4895439 | Aspheric spectacle lens This patent discloses a spectacle lens having an aspheric front surface and a planar rear surface. The front surface of the spectacle lens includes a circular central zone and two or three annular zones surrounding the central zone. Each annular zone has ... | 01/23/1990 |
| 4894197 | Method for runnerless injection molding synthetic resin by intermittent cooling system and apparatus thereof A runnerless method for injecting and molding a synthetic resin through a gate wherein a molten resin is intermittently cooled to solidification using a cooling medium to close the door for every injecting and molding operation of a molten resin in the ga... | 01/16/1990 |
| 4893361 | Drain trap ultrasonic vibration cleaning apparatus An ultrasonic drain trap cleaning apparatus for use in a plumbing system. A drain trap is fitted with transducers which receive electrical signals from a signal generator to create vibrations within the trap thereby clearing clogging material. A flow sens... | 01/16/1990 |
| 4893005 | Method and apparatus for area and perimeter security with reflection counting An apparatus and method for detecting disturbance in a protected area or perimeter by scanning the area or perimeter with a rotating beam of radiating energy, such as light, infrared, ultraviolet and the like, and counting the number of pulses at the outp... | 01/09/1990 |
| 4891569 | Power factor controller In a computer controlled power factor control system switches are activated and deactivated in a predetermined order so that each capacitor is electrically connected to the power distribution system for substantially the same total time throughout the lif... | 01/02/1990 |
| 4891485 | Device for fastening an EDM tool in plural orientations A device permits fastening a tool (preferably an EDM tool) to a machining head in at least two different orientations. The tool is mounted on a tool holder, and a pair of portions alternately fix the holder to the head in two different orientations, for e... | 01/02/1990 |
| 4891176 | Resin transfer molding process A method for manufacturing a panel, such as an automotive panel, using the resin transfer molding (RTM) process. The method includes the steps of preforming a first mat of glass fibers into a shape approximating one side of the panel and, similarly, prefo... | 01/02/1990 |
| 4891162 | Machining fluid for electrical discharge machining apparatus An electrical discharge machining fluid consisting principally of de-ionized water and a triethanolamine salt, the latter being at a concentration of 0.2% to 10% by volume. The method for preparing the machining fluid consists in adding to the de-ionized ... | 01/02/1990 |
| 4890593 | Fuel injection control system for an internal combustion engine A fuel injection system for an internal combustion engine utilizing output signals from existing "dual magneto" ignition system to produce output pulses in synchronism with the revolution of the output shaft. A pressure transducer measures the pressure in... | 01/02/1990 |
| 4889674 | Method for the manufacture of dimensionally stable, liquid-impermeable, flexible press bands The invention relates to a method of the manufacture of dimensionally stable, liquid-impermeable, flexible press bands, particularly for wet presses of paper making machines. With known manufacturing methods for such press bands, the provision of a struct... | 12/26/1989 |
| 4888236 | Torque rod of composite material A torque rod for a heavy duty motor vehicle includes a shaft and two ends, each end being selectively attachable to points on the vehicle's chassis. The rod is composed of a polymerizable composite material. The shaft is either of solid, hollow, or layere... | 12/19/1989 |
| 4887480 | Externally serviceable ball screw having internal return means The specification discloses a ball screw having an internal return which is selectively removable externally of the ball nut for servicing. The return is held in place by a spring clip operatively fitted into a dove-tail slot built into the exterior of th... | 12/19/1989 |
| 4887187 | Plural utility supply pedestal including contained common grounding means A mounting pedestal supports an electrical meter and power box and other utility supply devices in a compact and safe arrangement for their provision to a mobile home. A hollow, plastic post is supported in an upright position in the ground or in concrete... | 12/12/1989 |
| 4886353 | Measuring device employing laser interferometry A measuring device employing laser interferometry, and featuring a device for tracking a mobile target; which tracking device is located between a light source and a semireflecting mirror, for the purpose of eliminating any inaccuracy due to the construct... | 12/12/1989 |
| 4886025 | Idling speed control system for an electronic-injection internal combustion engine A system for controlling the idling speed of an electronic-injection internal combustion engine; which engine presents an air supply valve, the minimum setting of which is controlled by at least one heat-sensitive element; and which system comprises elect... | 12/12/1989 |
| 4885925 | Strap for automotive body working A device for use in repairing automotive bodies which has an elongated flexible strap constructed of a tough material, such as reinforced neoprene rubber. A ring is attached to one end of the strap while at least one and preferably several elongated strip... | 12/12/1989 |
| 4885882 | Deck covering A cover for a wooden deck structure which protects people walking on the deck structure from splinters. In one embodiment, the cover is in the form of a thin walled, U-shaped channel member which fits over one board of the deck structure. In doing so, the... | 12/12/1989 |
| 4884706 | Tamper indicating container and closure A tamper indicating package including a container having integrally molded flexible retainer means for engaging and resisting the movement of a tamper indicating ring attached to a closure by frangible means so that separation of the ring of the closure i... | 12/05/1989 |
| 4883934 | Machine using a wire for use in electroerosion A machine which uses electroerosion with an electrode piece by means of a stretched electrode wire unwound between two wire guides with at least one device with crossed movements to fabricate other pieces, these wire guides are equipped to displace in a p... | 11/28/1989 |
| 4883524 | Invisible flat-top mold blank and method for manufacturing same A mold blank for manufacturing eyeglass lenses containing a flat top bifocal segment. A ceramic platform is first constructed containing an optical surface having a recess corresponding to the flat top bifocal segment. A concave-convex glass mold blank po... | 11/28/1989 |
| 4883095 | Connecting construction for sidestay of heald frame and transverse beam A connecting construction for a sidestay of a heald frame and a transverse beam having a sidestay of a heald frame, a transverse beam to be connected via an end face thereof with the sidestay, a concave engagement space defined in the end face of the tran... | 11/28/1989 |
| 4882896 | Lawn mower A lawn mower having a housing with a top, a bottom and a cutting chamber which is open to the bottom. A plurality of wheels are rotatably mounted to the housing and support the housing upon a ground surface while a push bar extends upwardly and outwardly ... | 11/28/1989 |
| 4882536 | Capacitive detector of position having electrodes and circuitry formed on a common integrated circuit The capacitive detector of position between two supports (10 and 30) comprises a series of electrodes (11) on support (10) and a series of electrodes (13) on support (30). The electrodes (13) of support (30) and electronic circuitry (21) are formed on the... | 11/21/1989 |
| 4880196 | Apparatus for mounting marine electronic equipment Supports for marine electronic equipment in accordance with the present invention include an open frame to which are fastened a pivotable back and linkage making it possible to mount the back to a bulkhead or transom in a water craft. Arms extending from ... | 11/14/1989 |
