Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4219700 | Partyline subscriber interface circuit | Jacob Cepelinski, Michael C. J. Cowpland, Paul S. Wilker | 1980-08-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4219700 | Partyline subscriber interface circuit | Jacob Cepelinski, Michael C. J. Cowpland, Paul S. Wilker | 1980-08-26 |