Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4187866 | Comb with rotatable teeth | Jan M. Zwiren, Norman Sinclair | 1980-02-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4187866 | Comb with rotatable teeth | Jan M. Zwiren, Norman Sinclair | 1980-02-12 |