Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6877285 | Reinforced shutter structure | Frank Poma | 2005-04-12 |
| 6543188 | Reinforced shutter structure | Frank Poma | 2003-04-08 |
| 5907929 | Reinforced shutter structure | Frank Poma | 1999-06-01 |