Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872853 | Circuit card retaining device | — | 1989-10-10 |
| 4343524 | Zero insertion force connector | Edward J. Bright, Larry E. Dittmann | 1982-08-10 |
| 4215911 | Battery terminal for telephone storage batteries | Larry E. Dittmann | 1980-08-05 |
| 4193658 | Modular telephone plug | Larry E. Dittmann, Robert Koch, Edwin T. Harris | 1980-03-18 |