Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 5450763 | Device for collecting samples of a liquid in a tank for in a chemical reaction vessel An apparatus for collecting a sample of a liquid in a vessel. The apparatus includes a tube positioned vertically above the vessel, a cup for removing liquid from the vessel which has an inlet opening and an outlet opening, a device for displacing the cup... | 09/19/1995 |
| 5419244 | Sensor system for selectively adjusting the printing stroke of a screen printing press A sensor system utilized with a screen printing press for selectively adjusting a length and relative position of the front and rear ends of a printing stroke to traverse a variably sized and positioned image area being applied to a substrate. The sensor ... | 05/30/1995 |
| 5193210 | Low power RF receiver A low powered RF receiver for receiving a modulated carrier having a coded transmission so as to remotely control a number of vehicular devices includes an antenna, a preamp stage, mixer, local oscillator, first and second IF bandpass filters, first and s... | 03/09/1993 |
| 5176533 | Electrical connector An electrical connector includes a connector receptacle having a contact and a cylindrical socket formed with a radially inwardly extending stopper and axially extending slits, and a connector plug having a contact, a plug body formed in the outer circumf... | 01/05/1993 |
| 5167415 | Golf swing training club A golf swing training device having a pair of unequal length golf club shafts connected end-to-end along a common axis. The shorter length shaft has a golf grip at one end thereof and a simulated plastic golf ball attached to its opposite free end. The lo... | 12/01/1992 |
| 5155939 | Apparatus for grinding cutting instruments The instrument to be ground is positioned lying on the brackets of a support, with its longitudinal axis horizontal and parallel to the plane of a base plate of the apparatus. A grinding stone, mounted on a carrier arranged in such manner as to be able to... | 10/20/1992 |
| 5142599 | Push-on connector A push-on connector of which receptacle unit and plug unit can be coupled and locked by an engagement between a stopper on the receptacle unit and an engaging reentrant portion on the body of the plug unit, they can be locked and unlocked by an axial move... | 08/25/1992 |
| 5053391 | Composition containing polypeptide hormone for stimulating skeletal growth in poultry The invention provides a method for stimulating skeletal growth in normal poultry as evidenced by increased metatarsal length of treated poultry comprising administering a growth stimulating amount of prolactin to said poultry.... | 10/01/1991 |
| 5042405 | Yarn control method and apparatus A yarn control system and apparatus for use in the manufacture of non-woven, non-knitted fabrics which have a pile supported by a backing cloth, such as carpets, the apparatus including a plurality of needles for inserting yarns from yarn supplies into th... | 08/27/1991 |
| 4904202 | Spring locking device for connector A spring locking device prevents any disconnection of connected female and male connector members of a connector. The locking device includes two pairs of bearings provided on both ends of a mounting flange of one connector member and locking members havi... | 02/27/1990 |
| 4608978 | Method and apparatus for photoepiltion The certain quantity of light energy sufficient to effect lifelessness in each of a particular type of hairs, such as is found in a face, arm or back, is provided to the tip of a hand held probe each time a switch is closed, independent of the duration of... | 09/02/1986 |
| 4597435 | Bottle warmer or cooler A device for heating or cooling a baby bottle or similar article by heat exchange with a thermal transfer fluid includes a container for holding the bottle in contact with the fluid, preferably water from a conventional faucet. The bottle is held on a pla... | 07/01/1986 |
| 4596758 | Method of forming a pressure sensitive image transfer sheet with colored ink layer There is described a photomechanical method for forming pressure sensitive transfer reproductions of multicolor images upon a substrate involving the forming of a base coat protective layer on a substrate, applying one color ink on the base layer and a wh... | 06/24/1986 |
| 4592180 | Magnet support and retainer for interior storm windows A magnet support and retainer for post-construction installed interior storm windows formed as a unitary plastic extrusion having a U-shaped pane-receiving portion, a rigid magnet mounting portion and a connecting portion, preferably flexible, formed ther... | 06/03/1986 |
| 4593231 | Three-way fluorescent lamp device A ballast circuit for starting and operating a preheat type circular fluorescent lamp, which replaces a multiple wattage incandescent lamp in a three-way incandescent lamp socket, so that the fluorescent lamp can be ignited to function at three different ... | 06/03/1986 |
| 4586836 | Characters carrying disc for printing machine The disc, made of plastic material, is provided with a circular collar coaxial with its central hole and which is provided, diametrically opposed, with two arms bent at 90°, each arm terminating with a small tongue the end of which extends beyond the sai... | 05/06/1986 |
| 4585366 | Flexible connector A flexible connector includes a molded body of a soft material integrally molded with a connector body and connecting at least one cable, and locking screws passing through mounting lugs of the molded body and threadedly engaging internal threads of a mat... | 04/29/1986 |
| 4581850 | Combination pivot corner and slide guide for sash window A unitary pivot corner member having a separate pivot pin for engaging the sash balance of a double-hung sash window assembly and a slide guide integral with the member for riding in a guide rail of the master frame jamb of the window assembly. A pair of ... | 04/15/1986 |
| 4578903 | Corner locking and associated pivot means for extruded plastic sash windows A window sash of a double-hung window assembly has framing members formed of extruded plastic material of one configuration providing a hollow formation extending therethrough and opening to the ends thereof. Support and connector members are installed in... | 04/01/1986 |
| 4579047 | Fire damper assembly for sealed penetrations A fire damper assembly, used in a heating, ventilating and air conditioning system, includes a sheet metal outer frame circumferentially surrounding a commercially available, rectangular fire damper. Angle iron retainers mounted interior of the outer fram... | 04/01/1986 |
| 4575966 | Magnetically sealed sliding window assembly A magnetically sealed sliding window system including a perimetric frame including header and base portions each defining a narrow channel for receiving a glazing pane and an adjacent second channel. A sliding panel is seated within the second channel. Lo... | 03/18/1986 |
| 4575266 | Character-carrying disc for a printing machine A character-carrying disc made of plastic material is provided, on its front face, with four protrusions each provided with a circular-arc shaped blade, coaxial with a central mounting hole of the disc. Each blade is itself provided with a projection prot... | 03/11/1986 |
| 4572773 | Electroplating apparatus A container basin adapted to contain the workpieces to be electroplated is carried at the lower end of a tubular element, to the opposite upper end of which is screwed a power take-off stem of a vibrator. A body of the vibrator is provided with a hook ena... | 02/25/1986 |
| 4565321 | Vehicle for deicing aircraft A vehicle for deicing aircraft comprises an undercarriage (1) having a lifting device (4,5,6,7) carrying a closed operation cabin (3). The vehicle includes a spray device for applying spray fluid to the aircraft, and this spray device comprises a pump and... | 01/21/1986 |
| 4564116 | Closure cap for beverage containers A bottle closure cap stampable from sheet metal as a shallow cylindrical inverted dish having a rounded juncture forming a fillet between its crown and its cylindrical wall; a layer of elastomeric material being disposed in the fillet and engageable with ... | 01/14/1986 |
| 4560650 | Method and compositions for determination of gamma glutamyl transpeptidase A two-reagent assay system for determination of gamma glutamyl transpeptidase enzyme activity in a biological fluid. Gamma glutamyl-p-nitroanalide substrate for the enzymatic reaction is provided in a first reagent which is a dry mixture of the substrate ... | 12/24/1985 |
| 4533941 | Method and apparatus for half-tone reproduction of a varying tone original image Sequential scanned scaled density data representing a varying tone image is electronically screened to form binary element data that when imaged to form an array of orthogonally arranged binary elements on a member produces screened color separation plate... | 08/06/1985 |
| 4523592 | Anastomotic coupling means capable of end-to-end and end-to-side anastomosis Anastomotic coupling means capable of both end-to-end and end-to-side anastomosis without resorting to suturing. A pair of coupling disc members cooperate to couple the vessels, one of the members having spaced apart hook members and the other member havi... | 06/18/1985 |
| 4511372 | Carbon gasification method A method of gasifying carbon (C) in the form of coal, hydrocarbons and/or hydrocarbon compounds, comprising the steps of into a reactor vessel holding a molten iron bath to inject carbon, oxygen and iron oxides beneath the surface of the molten iron bath,... | 04/16/1985 |
| 4485546 | Method and apparatus for packing insulation material in hollow blocks A method and an apparatus for facilitating the filling of insulation material into cavities (11) in hollow blocks (10). The apparatus comprises one or several drums (14,15), which are arranged over a conveying means moving blocks past the apparatus. Throu... | 12/04/1984 |
| 4479530 | Method of manufacturing metallic wire products by direct casting of molten metal A coating of metal is applied to a metal wire having substantially the same melting point as the metal coating. The wire is passed through a bath of molten metal contained in a container and out through an outlet hole in the container bottom. The diameter... | 10/30/1984 |
| 4474430 | Leading mark An instrument for marking leading lines, comprising a front screen and a behind screen (1,2,15,16), which include opaque lines (3) separated by transparent interstices (4), whereby an interference pattern, a so-called moire pattern, arises when viewing th... | 10/02/1984 |
| 4474280 | Coin-operated lock for a trolley system including especially shopping and luggage trolleys A coin-operated lock for mounting on a trolley which is alternatively secured and released. The lock has two blockable keyholes for two separate keys, and a common fence which cooperates with the keyholes is adapted to move from a blocking position in one... | 10/02/1984 |
| 4474282 | Coin-operated lock for a trolley system including especially shopping and luggage trolleys A coin-operated lock for mounting on a trolley which is alternatively secured and released. The lock has two keyholes for two separate keys having interacting blocking means formed by codification units so that only keys having interacting, fitted codes c... | 10/02/1984 |
| 4465258 | Sleeve valves The wall of an elastomer sleeve valve is provided with a lip-shaped internal sealing member at a median region of the wall; when the valve is closed, the sealing member forms two lips contacting each other along a substantially diametral plane to produce ... | 08/14/1984 |
| 4443979 | Adapter for bracket securement to wall studs and method of manufacture An adapter for enabling a vertical slotted standard in the form of a steel bar to be mounted to a pair of back-to-back assembled sheet metal channel-shaped studs in a wall, the adapter being disposed within the wall and hidden from the exterior of the wal... | 04/24/1984 |
| 4441300 | Bracket support for wall studs A bracket retaining and support structure for cooperative engagement with a wall stud and adapted for receipt in passageways disposed thereon of the hook ends of support brackets for shelves or the like. The bracket support structure includes a pair of op... | 04/10/1984 |
| 4440304 | Protective pads with self-locking panels and blank therefor A corner pad for protection of crated objects, such as appliances, furniture or the like, is formed from an integral blank of corrugated paperboard. The pad has multiple-ply walls and a multiple-ply base including two leg formations joined to form a gener... | 04/03/1984 |
| 4430299 | Apparatus for monitoring chemical reactions Apparatus for monitoring chemical reactions occurring on a slide, cartridge or other reflective carrier in which the nature of the reaction is determined quantitatively by means of a change in color. The reaction products are illuminated by radiant energy... | 02/07/1984 |
| 4426213 | Condensate removal device for steam lines and the like A flow constriction device, typically for drainage of steam condensate, is provided with a tubular nozzle structure inserted within a bore formed in the body of the device. The insertable tubular nozzle structure provides convenient variation in flow cons... | 01/17/1984 |
