Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304903 | Stapler | Robert B. Staubitz, William H. Valls | 1989-12-05 |
| D304734 | Swivel rotary file | Robert B. Staubitz | 1989-11-21 |
| D304735 | Covered swivel rotary file | Robert B. Staubitz | 1989-11-21 |