Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659232 | Timepiece | Charles S. Coster | 1987-04-21 |
| 4200986 | Digital indicator | Gary M. Ackerman | 1980-05-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659232 | Timepiece | Charles S. Coster | 1987-04-21 |
| 4200986 | Digital indicator | Gary M. Ackerman | 1980-05-06 |