Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11056354 | Semiconductor separation device | Ian Juland, Graeme Harris | 2021-07-06 |
| D322415 | Timepiece face | — | 1991-12-17 |
| D319399 | Mantel clock | — | 1991-08-27 |
| D302528 | Prism clock | — | 1989-08-01 |
| 4693613 | Logo clock | — | 1987-09-15 |
| 4674891 | Clock | — | 1987-06-23 |