Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316276 | Key-operated solid-state timepieces | Dale R. Koehler | 1982-02-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4316276 | Key-operated solid-state timepieces | Dale R. Koehler | 1982-02-16 |