Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6345476 | Perforated pleated shutter and method | — | 2002-02-12 |
| 5996292 | Perforated shutter system and method | Larry H. Cohen | 1999-12-07 |
| 5596849 | Shutter system and method | — | 1997-01-28 |
| 5487244 | Shutter system and method | — | 1996-01-30 |