Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5043870 | Computer with automatic mapping of memory contents into machine registers during program execution A computer system arranged for faster processing operations by providing a stack cache in internal register memory. A full stack is provided in main memory. The stack cache provides a cache representation of part of the main memory stack. Stack relative a... | 08/27/1991 |
| 5020112 | Image recognition method using two-dimensional stochastic grammars A method of automatically identifying bitmapped image objects. Each of a set of templates in an object template library is compared with all areas of like size of a bitmapped image. A set of signals is generated for each such comparison that satisfies a d... | 05/28/1991 |
| 4503676 | Apparatus for directly converting thermal to rotational energy Apparatus for directly converting thermal energy into rotational movement. A long shaft relative to its cross-section and made of an elastic material with a high thermal coefficient of expansion is equipped with a plurality of journals at prescribed point... | 03/12/1985 |
| 4495565 | Computer memory address matcher and process An address matcher and process for same used as an aid in debugging computer programs. Each of a plurality of random access memories (RAMs) is addressed by a different subfield of a computer memory address so that each access of the computer memory also c... | 01/22/1985 |
| 4476349 | Call message service A call message service arrangement in a telephone system. The arrangement automatically generates and stores a callback message for a called station responsive to a signal from a station served by the system that is associated with the call. If the arrang... | 10/09/1984 |
| 4468728 | Data structure and search method for a data base management system A data structure and search method for a data base management system. The structure and method allow the locating of a stored record in a massive system in a controlled and small number of mass memory accesses. The data structure is arranged into a plural... | 08/28/1984 |
| 4460808 | Adaptive signal receiving method and apparatus A tone receiver suitable for use in a telephone system and which adaptively narrows its amplitude sensitivity range defining valid tone signals on a per call basis in accordance with the amplitude of a first tone signal received on a call. The signal rang... | 07/17/1984 |
| 4436962 | Call coverage arrangement A call coverage arrangement in a telephone system. Any station served by the system may be assigned to a call coverage group as a principal station. A coverage group includes the identities of a plurality of call covering stations for the principal statio... | 03/13/1984 |
| 4436963 | Implied principal addressing in a call coverage arrangement An arrangement in a telephone system providing for the handling of calls which have been automatically redirected to a call covering station in a customer premises telephone system. The covering station is equipped with one or more function buttons each f... | 03/13/1984 |
| 4412322 | Time division switching system A time division multiplex (TDM) switching network is disclosed in which at least part of the network comprises a space switching portion (TMS) and in which the need for duplication of the space switching portion, and like methods of achieving network reli... | 10/25/1983 |
| 4401860 | Frequency signaling method and apparatus with dynamic compensation for frequency errors Frequency encoded signaling method and structure to correct for frequency error introduced in the generation of encoded signals. A sequence of frequency encoded signals are recorded on rotating magnetic recording devices in telephone offices in conjunctio... | 08/30/1983 |
| 4348554 | Method of providing virtual private network telephone service A method is disclosed for providing private network types of telephone services via the public switched network without having it provide private hardware facilities. The method is described with respect to a telephone system comprising plural telephone s... | 09/07/1982 |
| 4310727 | Method of processing special service telephone calls A method is disclosed of processing telephone calls with customized services in a telephone system with CCIS (Common Channel Interoffice Signaling) in which all offices are not required to have CCIS capability. The entitlement of a call to customized serv... | 01/12/1982 |
