Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D298921 | Fully automatic systematic timekeeping clock | Arthur Evans, Wendell L. Berry | 1988-12-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D298921 | Fully automatic systematic timekeeping clock | Arthur Evans, Wendell L. Berry | 1988-12-13 |