Duquesne ; Jean F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duquesne ; Jean F..The latest application filed is for "packet-based telecommunication system".
- Duquesne ; Jean F. - 75016 Paris FR
- Duquesne; Jean F. - Paris FR
| Patent | Date |
|---|---|
| Packet-based telecommunication system Grant 4,577,311 - March 18, 1 | 1986-03-18 |
| Unit for the simultaneous switching of digital information and signalling data in P.C.M. transmission systems Grant 3,997,728 - Duquesne , et al. December 14, 1 | 1976-12-14 |
| Computer Controlled Switching System Using Flip-flops For Control Of Repetitive Operations Grant 3,578,918 - Lucas , et al. May 18, 1 | 1971-05-18 |
| Telephone Switching System With Independent Signalling Channels Employing Time-division Multiplex Grant 3,558,827 - Lucas , et al. January 26, 1 | 1971-01-26 |
| Telephone Switching Unit With Local And Remote Computer Control Grant 3,553,384 - Lucas , et al. January 5, 1 | 1971-01-05 |
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