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| Number | Title | Issue Date |
| 4710130 | Dichotic-diotic paired-association for learning of verbal materials A product and method for the presentation of prerecorded audio-visual sets of related words or phrases for their learned association is disclosed wherein the learner is presented simultaneous and sequential audio material while viewing spatially compatibl... | 12/01/1987 |
| 4706644 | Engine Heater An apparatus for preheating an engine is disclosed. The apparatus comprises a liquid fuel burning heater, a coolant pump for circulating engine coolant through the heater, a fuel pump for delivering fuel to the heater, a blower for delivering air to the h... | 11/17/1987 |
| 4702376 | Composite vacuum bag material having breather surface A composite vacuum bag material includes a flexible fabric of polymeric material having a void free layer of elastomer bonded to one side. The exposed fabric surface, treated with a release agent provide air passageways when applied against the surface of... | 10/27/1987 |
| 4679520 | Mainsail reefing and furling device and method A method and device for gathering a mainsail in a cavity within the boom as the sail is being lowered. The boom has a plurality of engaged rollers which draw in or let out the sail by tractive forces.... | 07/14/1987 |
| 4676347 | Railway brake shoe A railway brake shoe adapted to be mounted on a standard brake head and having a wheel engaging surface with portions having a plurality of radii for matching rail wheels of different diameters. The portion having the smallest radius extends along the ent... | 06/30/1987 |
| 4675195 | Stable banana product A freeze-thaw stable banana product containing frozen ground banana pulp and a stabilizing system of agar and carob bean gum.... | 06/23/1987 |
| 4657720 | Method and apparatus for locating and embedding a specimen A method and apparatus are disclosed for quickly and exactly locating a desired structure in a specimen or the like located on a plate or slide, and then preparing an accurate, embedded specimen block for later use, and particularly for preparing thin sec... | 04/14/1987 |
| 4650119 | Air spray gun An improved air atomizing spray gun accommodates selective control over flows of air for atomizing liquid coating material into a conically-shaped spray and for forming the spray into a fan-shaped pattern. In one arrangement of the gun structure, respecti... | 03/17/1987 |
| 4643357 | Rapidly cleanable atomizer A rapidly cleanable rotary atomizer is characterized by a passageway extending between a rearward coating material cup of the atomizer and a forward coating material feed surface, from an edge of which atomization occurs. The passageway initiates in the m... | 02/17/1987 |
| 4630715 | Bottom rod safety guard for railway brake rigging In railway brake rigging wherein a bottom actuating rod extends beneath the bolster, a safety guard is provided to prevent a broken or disconnected rod from falling onto the track structure. The safety guard, which does not require any disassembly of the ... | 12/23/1986 |
| 4628713 | Lock for video tape cassettes A lock for a VHS video cassette is characterized by an insert extendible into and latchable within a sensor LED transmission receptacle of a housing for the cassette. The insert cannot be removed from the receptacle without a special key, and while in the... | 12/16/1986 |
| 4624446 | Ground supported leveler for vehicle dockage A lift is described for raising the rear end of a trailer at a dock. The lift is entirely mounted above ground level and includes a reinforced platform having a rigid U-shaped beam support assembly secured at the forward end of the platform. The support a... | 11/25/1986 |
| 4614333 | Devices for automotive vehicle coil springs Devices for stiffening automotive vehicle coil springs comprise spacers positionable between one or more adjacent convolutions of the springs. The spacers offer no or very minimal resistance to limited compressions of the springs, but an increased resista... | 09/30/1986 |
| 4611743 | Device for aligning a weldolet and a pipe to be joined A device supports a weldolet on a pipe with a passage through the weldolet in aligned relationship with an opening in the pipe in order that the weldolet and pipe may be joined by welding or the like. The device is adjustable to accommodate weldolets and ... | 09/16/1986 |
| 4605173 | Size reduction machine A size reduction machine for reducing the particle size of material, comprises a frame, an arm pivotally connected intermediate its ends to the frame, a counter weight movably connected to one end of the arm, a motor having a drive shaft mounted on the ot... | 08/12/1986 |
| 4599777 | Apparatus for separating rolls which are interconnected end-to-end Apparatus for separating two rolls of paper which are interconnected end-to-end, is characterized by a pair of arms pivotally connected at their upper ends and carrying inwardly facing wedges at their lower ends. The arms are advantageously mounted on whe... | 07/15/1986 |
| 4595549 | Capsule and clamping apparatus for locating and embedding a specimen and a method for using the same An improved capsule and clamping apparatus and a method of using the same are disclosed. The capsule has a filling end and specimen end with a preformed opening at its filling end. The capsule has portions on the filling end for holding the capsule in a p... | 06/17/1986 |
| 4590121 | Sail cloth Sail cloth is made up from a plurality of yarns in one direction woven together with a plurality of film tapes in the other direction to provide a cloth having improved properties.... | 05/20/1986 |
| 4587735 | Knife guard A knife guard suitable for various type cutting or chopping blades is provided and utilizes a plurality of elongated members which are hinged together and biased by the hinges and/or separate a biasing arm toward a first closed position wherein at least o... | 05/13/1986 |
| 4588322 | Motor shaft bearing support and disconnect A bearing support and disconnect for a motor shaft is provided as a separate unit connected to the motor shaft. The unit includes a bearing mounted spindle and a shiftable member for bringing the spindle into and out of driving relation with the motor sha... | 05/13/1986 |
| 4587597 | Emergency exit light or the like An emergency light, designed primarily for use in residences, comprises a trapezoidal-shaped box to be mounted above an exit door or other emergency object and having a downwardly and inwardly inclined front face formed of a translucent material bearing t... | 05/06/1986 |
| 4586916 | Corrugated carton separator Apparatus for separating folded two-on cartons is characterized by a carton supply station for advancing cartons seriatim to a separating station. At the separating station, opposite edges of each carton are gripped and first moved away from each other to... | 05/06/1986 |
| 4582053 | Acoustic ear plug An acoustic ear plug comprises, individually or in combination, a first element to be inserted within the ear canal and comprising an elongate hollow cylinder having a tapered forward insertion end and a pliant wall of acoustic barrier material on the for... | 04/15/1986 |
| 4573585 | Jewelry display A display is provided for the orderly, efficient and attractive retention and display of jewelry, comprising a planar member; a hanger for mounting the planar member to a vertical surface; one or more shelf members mounted to the front side of the planar ... | 03/04/1986 |
| 4565638 | Method for purifying ink Excess or unused ink that is recovered from a printing process and which contains fibrous impurities is purified by mixing the recovered ink with virgin ink, heating the mixture to decrease the viscosity thereof, and then straining and filtering the heate... | 01/21/1986 |
| 4564727 | Subwoofer speaker system A method and apparatus for producing low frequency sound (20 to 100 Hz) at levels of intensity above the minimum threshold of human hearing. A mechanical-electrical drive having high power capacity is coupled via a linkage to a sound radiator and is respo... | 01/14/1986 |
| 4562747 | Sampler for dry materials A sampler for communicating with the interior of a vessel containing dry granular or powder materials extracts a sample of the material and conveys it to a point of collection. The sampler includes a tubular probe having an inlet opening toward an inner e... | 01/07/1986 |
| 4554205 | Laminated sailcloth An improved sailcloth is composed of a laminate of two fabrics, are being tightly woven, light weight, highly resinated cloth, and the other being a loosely woven or knit fabric.... | 11/19/1985 |
| 4546657 | Force gauge A device for measuring forces exerted by the jaws of a chuck under both static and dynamic rotary conditions is characterized by an elongate housing and a piston in a cylinder bore in the housing and extending generally perpendicular thereto. The piston a... | 10/15/1985 |
| 4541526 | Folded carton beverage accessories dispenser A dispenser for beverage accessories such as cups, napkins, individual packages of coffee, tea, sugar and creamers etc., and stirrers have been provided and may be connected to a bag in the box type beverage server to make a neat, attractive display which... | 09/17/1985 |
| 4537357 | Spray guns Improved spray guns each have a spray head assembly comprising separate but interconnectable elements including a fluid nozzle, a fluid inlet fitting, a fluid nozzle retainer, an air nozzle and an air cap. The elements mount on an annular extension at a f... | 08/27/1985 |
| 4536903 | Device for manipulating invalid bed patients A device for conveniently, gently and comfortably manipulating bed patients into various positions of rest, to aid in the prevention and/or treatment of pneumonia and to aid in the prevention and cure of bed sores in long term bed ridden patients, compris... | 08/27/1985 |
| 4536101 | Connector device A connector device for connecting a rectilinear member to a second member or surface in a spaced or overlapping relation is provided in the form of a bracket of unitary construction that is fabricated from a sheet material. The bracket or connector has an... | 08/20/1985 |
| 4534309 | Paper coating apparatus An improved paper coating applicator has a body portion defined by forward and rearward relatively movable walls defining a chamber therebetween with an elongate opening thereto positionable generally below, adjacent to and transversely of a paper web, th... | 08/13/1985 |
| 4533092 | Video cassette rapid rewinding/fast forwarding device A video tape cassette rapid rewinding/fast forwarding is characterized by a housing on a surface of which are drive and idler sprockets. To rapidly advance or rewind a cassette, the cassette is placed on the surface to extend the sprockets into its tape r... | 08/06/1985 |
| 4530881 | Fluoroelastomer-based friction material having improved frictional properties A wet friction material composition for use in clutches, brakes and the like is composed of a resilient binder comprising a fluoroelastomer. The friction material is characterized by containing a significant amount of wollastonite as a filler, which unexp... | 07/23/1985 |
| 4530692 | Apparatus for opening folded corrugated cartons Apparatus for opening a folded rectangular corrugated carton, of a type having score lines between panels thereof, is characterized by a pair of V-shaped channels for receiving the folded carton therebetween, such that score lines along opposite side edge... | 07/23/1985 |
| 4531025 | Loudspeaker with commutated coil drive An improvement is provided in a loudspeaker having a current carrying coil disposed in the flux gap of a permanent magnet and carrying current to drive the coil and an associated sound diaphragm. The coil is substantially longer than the thickness of the ... | 07/23/1985 |
| 4526191 | Fluid supply container for color changer A container for holding a plurality of supplies of fluids of different colors for being provided to a color changer connected with spray painting equipment, is characterized by a canister in which is contained a plurality of bottles containing the fluids.... | 07/02/1985 |
| 4521227 | Air washer for paint spray booth Improved air washer or scrubber for a center draw, down draft paint spray booth is disclosed which results in twenty percent (20%) or greater improvement in cleaning and removal of entrained matter from the exhaust air. The air washer may be adjusted to a... | 06/04/1985 |
