Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6591508 | Knife for cutting insulation batts | Richard L. Studer | 2003-07-15 |
| 6122831 | Knife for cutting insulation batts | Richard L. Studer | 2000-09-26 |
| 5669142 | Knife for cutting insulation batts | Richard L. Studer | 1997-09-23 |