Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4382287 | Pseudo-synchronized data communication system | Mark E. Ackman, Charles C. McCarthy, Edward E. Kopicky | 1983-05-03 |
| 4371496 | Position indication system | Charles A. Lawson | 1983-02-01 |
| 4320388 | Two wire optical data communication system | Charles C. McCarthy, Mark E. Ackman, Edward E. Kopicky | 1982-03-16 |