Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5217777 | Protective film assembly and method of making the same | Arthur W. Voirin | 1993-06-08 |
| 5118377 | Protective film assembly and method of making the same | Arthur W. Voirin | 1992-06-02 |
| 4692372 | Ceiling and wall tile | Villy E. Djerf | 1987-09-08 |