Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472862 | Film fasteners for flexible sheets | Stephen Kenin | 1984-09-25 |
| 4267876 | Film fastening system | — | 1981-05-19 |
| 4224928 | Cover for solar heat collector | Frank Werner, Lowell A. Kleven, James T. Case | 1980-09-30 |