Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4628157 | Bidirectional adaptive voice frequency repeater | Christopher P. Chance, Ralph P. Coble, Jr., Edwin C. Ingle | 1986-12-09 |
| 4584441 | Bidirectional adaptive voice frequency repeater | Christopher P. Chance, Ralph P. Coble, Jr., Edwin C. Ingle | 1986-04-22 |