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 |
| 6840385 | Lateral dispersion filter basket A lateral dispersion filter basket provides turbulence at the bottom of the filter basket reducing strain on the bottom seam of the filter bag disposed therein causing the particulate being filtered to move up along the vertical walls of the filter bag. ... | 01/11/2005 |
| 6292558 | Telephone network interface apparatus A telephone network interface apparatus for use in the subscriber loop of a telephone transmission system, i.e., connected to a non-telephone company owned premise wiring (a consumer household) and a telephone company owned portion of such loop at the jun... | 09/18/2001 |
| 5951446 | Weighted conditioning garments Weighted conditioning garments to help an individual lose weight and/or increase muscle strength and stamina include a plurality of weight members affixed to at least two elongated flexible members formed in the shaped of an article of clothing with a fas... | 09/14/1999 |
| 5893969 | Filter vessel safety apparatus A safety apparatus for pressurized filter vessels includes a protective shroud, a mechanical and electrical interlock device that prevents the opening of the filter vessel cover unless the input and output port valves are closed and electrical power to th... | 04/13/1999 |
| 5857676 | Apparatus and method of playing a combination card and dice game A combination card and dice game requires all the skill of playing cards with the luck of the dice and includes a playing surface divided into a first plurality of generally pie shaped areas extending outwardly from a centrally disposed apex, with each of... | 01/12/1999 |
| 5816910 | Infant soother apparatus A portable apparatus for soothing infants to enable them to fall asleep utilizes a portable housing having a cylindrically-shaped intake and exhaust opening coupled by a hollow cylindrical tube into which is located a miniature motor disposed proximate th... | 10/06/1998 |
| 5791365 | Escutcheon plate A unitary (one-piece) escutcheon plate is formed by a flexible member provided with a central aperture and a radially extending cut permitting it to flex and be placed over a pipe without removing a fixture affixed thereon and may include indicia or adorn... | 08/11/1998 |
| 5771590 | Manual venting and cutting apparatus for ostomy pouches A manual gas venting and cutting apparatus for use in cutting an opening in and manually venting gas from the interior of a conventional unvented ostomy collection pouch includes a valve assembly having an open position, which permits gas to pass therethr... | 06/30/1998 |
| 5771506 | Protection apparatus A protection apparatus for protecting elderly individuals that fall in a bathtub and hit their head on the edge thereof, as well as hospital patients who may cause damage to themselves by striking the restraining bars placed on a bed includes a longitudin... | 06/30/1998 |
| 5743381 | Apparatus for illuminating keyboards An apparatus for illuminating the keys on keyboards includes a relatively thin transparent material having a plurality of through apertures providing clearance for each of the keys of the keyboard that are to be received therein for illuimination. The sur... | 04/28/1998 |
| 5740828 | Collapsible shelters A collapsible shelter includes an arcuate roof section which includes a left and a right edge having a downwardly extending lip portion. A plurality of left and right arcuate sections have a left edge provided with a downwardly extending lip portion and a... | 04/21/1998 |
| 5721663 | Overvoltage protection modules with back-up protection for communication lines A miniature station overvoltage protection module having a surge protector device and a back-up protector suitable for use on communication lines, includes a hollow housing having a top surface; a pair of line terminals and a ground terminal disposed in t... | 02/24/1998 |
| 5704127 | Concave, convex safety razors A concave, convex safety razor with an extensible handle includes a safety razor blade housing having a concave cutting surface on one end and a convex cutting surface on the other end, that includes a removable and rotatable device disposed on the housin... | 01/06/1998 |
| 5683372 | Manual venting and cutting apparatus for ostomy pouches A manual gas venting and cutting apparatus for use in cutting an opening in and manually venting gas from the interior of a conventional unvented ostomy collection pouch includes a valve assembly having an open position, which permits gas to pass therethr... | 11/04/1997 |
| 5658267 | Colostomy collection pouch with vent valve A manual gas vent assembly for use in venting gas from the interior of a conventional unvented ostomy collection pouch include a valve assembly having an open position, which permits gas to pass therethrough and a closed position, for preventing gas to pa... | 08/19/1997 |
| 5658266 | Manual venting and cutting apparatus for ostomy pouches A manual gas venting and cutting apparatus for use in cutting an opening in and manually venting gas from the interior of a conventional unvented ostomy collection pouch includes a valve assembly having an open position, which permits gas to pass therethr... | 08/19/1997 |
| 5623388 | Overvoltage protection circuits A miniature solid state overvoltage protection circuit for use on telephone lines using a solid state circuit arrangement connected between the tip terminal and the ground terminal and another solid state circuit between the ring terminal and the ground t... | 04/22/1997 |
| 5590646 | Emergency safety mask An emergency safety mask includes a flexible porus material capable of readily absorbing liquids and passing air therethrough, elongated elastic generally formed as the letter "X" and joined at the intersection thereof is affixed to the flexible porus mat... | 01/07/1997 |
| 5581428 | Mounting clip with back-up overvoltage protection A mounting clip with back-up overvoltage protection which is adapted to receive an overvoltage protection device has dielectric disposed between one terminal of the back-up overvoltage protection apparatus and the other terminal thereof is in electrically... | 12/03/1996 |
| 5575098 | Illuminated display apparatus An illuminated display apparatus includes embossed or quilted indicia artistic and pleasing to small children applied to a generally flat surface that is provided with a plurality of apertures disposed at locations relating to the indicia placed thereon a... | 11/19/1996 |
| 5572397 | Combined overvoltage station protector apparatus having maintenance termination and half ringer circuitry A combined overvoltage station protector apparatus with a maintenance termination and a half ringer circuit arrangement combined with an overvoltage surge arrester mounted in a single housing includes a hollow housing divided into a first section and a se... | 11/05/1996 |
| 5537471 | Weatherproof telephone station protectors A weatherproof telephone station protector module suitable for use exposed to the weather including a hollow housing with first and second sealed test terminals and a plurality of through apertures adapted to receive a plurality of insulated electrically ... | 07/16/1996 |
| 5508877 | Weatherproof telephone station protectors A telephone station protector module suitable for exposure to weather includes an elongated lower hollow housing member has a longitudinal and a transverse axis. The top surface includes a pair of terminal assemblies with the front and rear surfaces paral... | 04/16/1996 |
| 5508675 | Miniature gas tube assembly with back-up air gap A miniature overvoltage protection device including a back-up air gap for use in miniature telephone modules and related equipment includes a generally U-shaped bracket adapted to receive an overvoltage protection device thereon and has a bracket insulati... | 04/16/1996 |
| 5490032 | Miniature station protector modules with an internal protector housing A miniature station protector module for communication systems includes a hollow housing having a top surface and open bottom. A pair of line terminals and ground terminals are disposed in the housings top surface and extend inside the hollow housing, wit... | 02/06/1996 |
| 5457592 | Miniature station protector modules with an internal protector housing A miniature station protector module for communication systems includes a hollow housing having a top surface and open bottom. A pair of line terminals and ground terminals are disposed in the housings top surface and extend inside the hollow housing, wit... | 10/10/1995 |
| 5453021 | Insulation displacement terminal connectors An insulation displacement terminal connector for receiving an insulated wire therein suitable for use in a protective housing allows the simultaneous or separate use of a relatively wide range of insulated wires to be used therewith and permits a smaller... | 09/26/1995 |
| 5430803 | Bifunctional earphone set In construction of an earphone set incorporating a vibratory membrane accompanied with a ceramic wafer, a coactive magnetic electroacoustic conversion is arranged facing the vibratory membrane in a manner such that the vibratory membrane reproduces human ... | 07/04/1995 |
| 5384679 | Solid state surge protectors The present invention relates to solid state surge protectors, having thermally sensitive fusible fail short protection associated therewith, enclosed in a hollow housing which provides three terminals and is specifically designed to be the same volume as... | 01/24/1995 |
| 4609826 | Energy efficient apparatus An energy efficient apparatus suitable for use in hot, arid climates wherein a source of water is available includes in combination; a rotating wheel member which utilizes the buoyancy of outwardly extending members and a pair of temperature sensitive dev... | 09/02/1986 |
| 4459433 | Station identification circuit arrangement A universal station identification circuit arrangement for use with central office equipment that utilizes either differential or longitudinal detection methods is adapted to be connected to the tip party's subscriber drop in a two-party line without requ... | 07/10/1984 |
| 4447848 | Telephone surge protector and housings therefor An overvoltage surge protector and housing for telephone communication lines to protect equipment connected thereto includes an insulated housing having one terminal disposed therein which is adapted to be connected to earth ground and a second terminal d... | 05/08/1984 |
| 4438477 | Combination power and communication line protection apparatus A combination power and communication line protection apparatus includes a housing which contains a power line plug adapted to be received by a conventional wall power receptacle and a receptacle suitable for receiving a male line plug from equipment to b... | 03/20/1984 |
| 4435303 | Descaling composition The present invention is directed to a composition which includes an anionic fatty alcohol metal sulfate surfactant, a nonionic substituted poly (ethylene oxide) surfactant, an ethanolamine, zinc and hydroxyacetic acid. A method for removing scale from a ... | 03/06/1984 |
| 4424546 | Miniature central office surge protectors A miniature surge protector for use in telephone central offices, or the like which are provided with terminal blocks for communication lines includes an in-line over-current coil arrangement which grounds each communication line if an overcurrent flows t... | 01/03/1984 |
| 4424057 | Wet-dry syringe A wet-dry syringe for combining and mixing a liquid and a solid medicament or at least two dissimilar liquid medicaments prior to the application thereof to a patient includes a first vial having liquid or solid medicament disposed between a pair of ident... | 01/03/1984 |
| 4415943 | Equipment protector and energy saving apparatus An equipment protector and energy saving apparatus includes transient protection as well as under voltage protection by preventing the reduced voltage from being applied to motors and other apparatuses that may be damaged because of insufficient voltage b... | 11/15/1983 |
| 4413517 | Apparatus and method for determining thickness Apparatus and method for measuring the thickness of a test piece by obtaining the acoustic velocity of the test piece where an ultrasonic wave is refracted into the test piece at a first point and the wave travels substantially parallel to the surface and... | 11/08/1983 |
| 4403115 | Station identification circuit arrangement A universal station identification circuit arrangement for use with central office equipment that utilizes either differential or longitudinal detection methods is adapted to be connected to the tip party's subscribers drop in a two-party line without req... | 09/06/1983 |
| 4396970 | Overvoltage surge arrester with predetermined creepage path An overvoltage surge arrester which has a reduced turn on time and is suitable for use at low voltage levels to protect electronic equipment, such as telephone repeaters and the like; this protective device includes a core of semiconductor material provid... | 08/02/1983 |
