Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838867 | Universal clamp | Glenda G. Kalt, Peter Piwonka | 1989-06-13 |
| 4838878 | Universal clamp | Glenda G. Kalt, Peter Piwonka | 1989-06-13 |
| 4824702 | Transfer adhesive sheet material | — | 1989-04-25 |