Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887249 | Bicycle watch - dual mode circuit | — | 1989-12-12 |
| 4847820 | Watch attachment | John T. Houlihan, Judith Reichel, Fred Olsen | 1989-07-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887249 | Bicycle watch - dual mode circuit | — | 1989-12-12 |
| 4847820 | Watch attachment | John T. Houlihan, Judith Reichel, Fred Olsen | 1989-07-11 |