Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5432910 | Coupling apparatus and method for increasing the connection capability of a communication system | Kenneth J. Barker, George M. Calhoun, Jean Calvignac, Jean-Claude Dispensa, Yves Huchet +2 more | 1995-07-11 |
| 4593352 | Method and device for exchanging information between terminals and a central control unit | Jean Calvignac, Wilburn D. Draper | 1986-06-03 |
| 4549296 | Device for reporting error conditions occurring in adapters, to the data processing equipment central control unit | Gerard Dalboussiere, Michel Kulakowski | 1985-10-22 |
| 4504901 | Communication line adapter for use with a communications controller | Jean Calvignac | 1985-03-12 |