Patent Explorer
Browse, filter, and analyze 53 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4133051A | Information refreshing system in a semiconductor memory | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1974-12-23 | 1979-01-02 | 1994-12-23 | 0.0 yrs | 2 | |
| US4106108A | Semiconductor dynamic memory and related refreshing system | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1976-08-13 | 1978-08-08 | 1996-08-13 | 0.0 yrs | 10 | |
| US4041473A | Computer input/output control apparatus | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1975-05-12 | 1977-08-09 | 1995-05-12 | 0.0 yrs | 13 | |
| US3916178A | Apparatus and method for two controller diagnostic and verification procedures in a data processing unit | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1973-12-10 | 1975-10-28 | 1993-12-10 | 0.0 yrs | 12 | |
| US3911216A | Nonlinear code generator and decoder for transmitting data securely | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1973-12-17 | 1975-10-07 | 1993-12-17 | 0.0 yrs | 5 | |
| US3909799A | Microprogrammable peripheral processing system | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1973-12-18 | 1975-09-30 | 1993-12-18 | 0.0 yrs | 36 | |
| US3882386A | Device for testing operation of integrated circuital units | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1972-03-10 | 1975-05-06 | 1992-03-10 | 0.0 yrs | 19 | |
| US3866181A | Interrupt sequencing control apparatus | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1972-12-26 | 1975-02-11 | 1992-12-26 | 0.0 yrs | 13 | |
| US3866183A | Communications control apparatus for the use with a cache store | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1973-08-31 | 1975-02-11 | 1993-08-31 | 0.0 yrs | 12 | |
| US3863226A | Configurable communications controller having shared logic for providing predetermined operations | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1973-01-02 | 1975-01-28 | 1993-01-02 | 0.0 yrs | 29 | |
| US3845474A | Cache store clearing operation for multiprocessor mode | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1973-11-05 | 1974-10-29 | 1993-11-05 | 0.0 yrs | 15 | |
| US3833888A | General purpose digital processor for terminal devices | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1973-02-05 | 1974-09-03 | 1993-02-05 | 0.0 yrs | 12 | |
| US3828325A | Universal interface system using a controller to adapt to any connecting peripheral device | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1973-02-05 | 1974-08-06 | 1993-02-05 | 0.0 yrs | 20 | |
| US3821709A | Memory storage sequencer | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1972-10-05 | 1974-06-28 | 1992-10-05 | 0.0 yrs | 18 | |
| US3821645A | Device for testing the operation of sequential integrated circuital units | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1973-03-13 | 1974-06-28 | 1993-03-13 | 0.0 yrs | 6 | |
| US3818261A | Stepping motor speed control apparatus | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1971-12-23 | 1974-06-18 | 1991-12-23 | 0.0 yrs | 37 | |
| US3814922A | Availability and diagnostic apparatus for memory modules | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1972-12-01 | 1974-06-04 | 1992-12-01 | 0.0 yrs | 28 | |
| US3814921A | Apparatus and method for a memory partial-write of error correcting encoded data | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1972-11-15 | 1974-06-04 | 1992-11-15 | 0.0 yrs | 13 | |
| US3810120A | Automatic deactivation device | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1971-02-12 | 1974-05-07 | 1991-02-12 | 0.0 yrs | 21 | |
| US3803560A | Technique for detecting memory failures and to provide for automatically for reconfiguration of the memory modules of a memory system | Bull HN Information Systems Italia SpA | Expired / Lapsed | 1973-01-03 | 1974-04-09 | 1993-01-03 | 0.0 yrs | 29 |
Showing 1 to 20 of 53 patents
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