Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5421133 | Insulation batt with extended flange | Clarke Berdan, II, Roy E. Shaffer | 1995-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5421133 | Insulation batt with extended flange | Clarke Berdan, II, Roy E. Shaffer | 1995-06-06 |