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 |
| 5859894 | Self-diagnostic system for cellular-transceiver systems with remote-reporting capabilities A self-diagnostic system for a checking all functions of a cellular-transceiver system having a cellular-interface unit, which interface unit couples a standard telephone set to a cellular transceiver, which interface unit converts the DTMF or pulse-type ... | 01/12/1999 |
| 5812637 | Concurrent wireless/landline interface apparatus with testing means An apparatus for interfacing at least one land-line telephone service, at least one wireless cellular-type telephone service, at least one cellular-type wireless telephone and at least one standard telephonic type communication device through standard bui... | 09/22/1998 |
| 5715296 | Concurrent wireless/landline interface apparatus An apparatus for interfacing at least one land-line telephone service, at least one wireless cellular-type telephone service, at least one cellular-type wireless telephone and at least one standard telephonic type communication device through standard bui... | 02/03/1998 |
| 5695650 | Method for dewatering previously-dewatered municipal waste-water sludges using high electrical voltage The present invention is directed to a pulsed electric-field system, apparatus and method for the effective disinfecting and dewatering previously-dewatered, biologically active waste-water sludges (e.g., municipal waste-water sewage sludge) in an efficie... | 12/09/1997 |
| 5579952 | Vending apparatus for dispensing hot-food trays A vending apparatus for dispensing trays of hot food is provided with a vertical stack of the compartments for storing and heating the trays of food. Each compartment has a lower support-shelf, under which is an electrical, coil-resistance heater for keep... | 12/03/1996 |
| 5555285 | Multi-variate system having an intelligent telecommunications interface with automatic adaptive delay distortion equalization (and related method) A multi-variate system having a microprocessor-based telecommunications interface which has a digital adaptive all-pass filter and automatically variable delay distortion equalization circuitry which in combination provide both pre and post delay distorti... | 09/10/1996 |
| 5548895 | Method of connecting a clean socket fit connection A method of connecting an end of a plastic, male vacuum-component to a female component in a vacuum system, by attaching an elastomeric sealing member to the end of the male vacuum-component, and inserting the end of the male vacuum-component into a femal... | 08/27/1996 |
| 5542828 | Light-gas-isolation, oil-free, scroll vaccum-pump system Close tolerance, oil free scroll type vacuum pumps, when run at RPM speeds in excess of 1800 RPM, prevent pump exhaust outlet to pump vacuum inlet back diffusion (backwards migration) of light atmospheric gases from a process vacuum is useful in a number ... | 08/06/1996 |
| 5517805 | Vacuum-packaging machine with translating tools A vacuum-packaging machine is provided with a drive mechanism for each of the tools at the forming and sealing stations that not only vertically reciprocate the tools, but which also horizontally reciprocate the tools. Before the next section of the film ... | 05/21/1996 |
| 5516154 | Plastic vacuum component with groove for seal The Invention relates specifically to an improved method of joining plastic socket fit piping components for vacuum, pressure, and structural applications where a leak and contamination free connection is needed. A unique Dual Face/Circumferential Elastom... | 05/14/1996 |
| 5469494 | Self-diagnostic system for cellular-transceiver systems A self-diagnostic system for a checking all functions of a cellular-transceiver system having a cellular-interface unit, which interface unit couples a standard telephone set to a cellular transceiver, which interface unit converts the DTMF or pulse-type ... | 11/21/1995 |
| 5425264 | Plastic high vacuum piping components A method for making vacuum components from plastic material, and in particular, PVC and CPVC, where the plastic component is exposed to a high vacuum or ultra high vacuum for an extended period of time, by which the outgas rate drops considerably to level... | 06/20/1995 |
| 5361297 | Method and apparatus for providing answer supervision and an autonomous pay telephone incorporating the same A method and apparatus for telephone call answer supervision, capable of detecting the completion of both national and international calls, which employ different answer confirmation formats, and provide confirmation that a placed call has been answered i... | 11/01/1994 |
| 5341567 | Method of making clean socket fit connection The invention relates specifically to an improved method of joining plastic socket fit piping components for vacuum, pressure, and structural applications where a leak and contamination free connection is needed. A unique Dual Face/Circumferential Elastom... | 08/30/1994 |
| 5258050 | Leak detection system A method of separating a lighter gas from heavier gases. A series of pumps is used. A gas to be separated out from a mixture of gases is introduced at an exhaust port of one of the pumps, with the lighter gas among them traveling upstream into a container... | 11/02/1993 |
| 5172854 | Reclosable, reusable package A package that is unreusable and reclosable, which package may be repeatedly used by the consumer for storing the contents therein even after multiple openings of the package, with such package protecting the contents thereof in a closed-package-like mann... | 12/22/1992 |
| 5170057 | Method and apparatus for measuring the partial pressure of a gas in a vacuum Vacuum gauge that detects and measures the partial pressure of a gas in a chamber, from pressures ranging from atmospheric to ultra-high vacuum. The gauge utilizes electromagnetic radiation, that is generated in the vacuum chamber by a electromagnetic rad... | 12/08/1992 |
| 5167902 | Device for piercing an obstruction in a well-block opening of a ladle for transporting molten steel A dart-assembly for piercing open a blockage in the opening of a ladle for holding and transporting molten steel is mounted in the outlet bore of a slide-gate associated with the ladle opening. The assembly has an outer steel housing; mounted within the h... | 12/01/1992 |
| 5161955 | High vacuum pump using bulk getter material A bulk getter-pump, consisting primarily of large beds of heated getter-material for use in pumping down in a high-vacuum environment. The pump is designed for applications now are served by turbo, cryo, diffusion, and ion pumps. The pump consists of a me... | 11/10/1992 |
| 5154582 | Rough vacuum pump using bulk getter material A bulk getter-pump, consisting primarily of large beds of heated getter-material for use in pumping down a vacuum chamber to a rough vacuum. The pump is designed for applications now are served by turbo, cryo, diffusion, and ion pumps. The pump consists o... | 10/13/1992 |
| 5139161 | Automatic actuator for coupler knuckle-assembly of a railway passenger car A linkage-actuator for the coupler knuckle-assembly of a railway passenger car which is mounted on the coupler head directly adjacent to the knuckle-assembly, which linkage-actuator does not extend along the shank connecting the knuckle-assembly to the ca... | 08/18/1992 |
| 5131548 | Slackless, resilient drawbar system for a railway car A slackless drawbar system for a railway car in which there is provided an elastomeric pad that absorbs forces during buffing conditions and helps to maintain the slackless nature of the system. The elastomeric pad absorbs forces during lateral and vertic... | 07/21/1992 |
| 5128988 | Telephone-switched network, automatic meter-reading system based upon service address A computer-based system for correlating an address to the current switched network telephone number(s) assigned to and operational at the address. This Telehpone Number Administration System is a data processing system which communicates with one or more ... | 07/07/1992 |
| 5046085 | Interfacing system for an international-type pay-telephone An interface unit for coupling an international-type pay-telephone to a land-based or cellular telephone system. The interfacing unit of the invention has a microcomputer, and an associated EPROM in which is stored the exchanges of the telephone numbers t... | 09/03/1991 |
| 5026431 | Process of koshering containers A process for koshering relatively large metallic containers used to store and transport kosher foods includes the steps of washing and rinsing the interior of the container to remove surface oils and greases, treating the interior surface of the containe... | 06/25/1991 |
| 5007530 | Single piece disposable cat litter box The invention relates to the use of one piece foldable boxes in the area of packaging, in particular the use of a single piece foldable and disposable boxes for the packaging of cat litter material. The invention employs a novel cover and hinge member tha... | 04/16/1991 |
| 4951444 | Multi-station die-less packaging machine A new computerized control system designed for packaging machines. This control system can be installed on any dieless packing machine. The advances achieved by this control system are: High speeds are achieved by synchronizing the machine index cycle and... | 08/28/1990 |
| 4922517 | System for interfacing a standard telephone set with a radio transceiver An interface system for interfacing a standard telephone set with a radio transceiver as part of a telephone network is provided. The radio transceiver may be a conventional cellular-type transceiver or other transceiver having typical control inputs and ... | 05/01/1990 |
| 4906301 | Process of koshering containers A process for koshering relatively large metallic containers used to store and transport kosher foods includes the steps of washing and rinsing the interior of the container to remove surface oils and greases, treating the interior surface of the containe... | 03/06/1990 |
| 4895387 | Semi-submersible trailer for transporting boats A trailer for transporting boats is provided with an automatic centering structure having a pair of equal-length centering cables each having a first exterior end connected to a forward interior portion of the trailer frame, and a second interior end coup... | 01/23/1990 |
| 4887290 | Cellular alarm backup system A cellular backup system is provided for a standard security alarm network, so that upon the inoperativeness of the telephone land line, automatic switch over to the cellular system is achieved, so that a digital communicator or telephone tape dialer may ... | 12/12/1989 |
