Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875288 | Shaving device | Robert A. Trotta | 1989-10-24 |
| 4831730 | Razor with stackable cartridge | — | 1989-05-23 |
| 4807360 | Shaving device | Robert A. Trotta, Jill M. Shurtleff | 1989-02-28 |