Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669726 | Sheet of paper clips with a single leg attachment | Gordon A. Vinther | 1997-09-23 |
| 5638730 | Plastic paper punch with axially reciprocable punch heads | — | 1997-06-17 |
| 5632188 | Ergopunch | — | 1997-05-27 |