Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5794502 | Two piece punch for roll piercing materials | William A. Meyer | 1998-08-18 |
| 5018325 | System and method for shielding the periphery of a framework of a building opening adjacent a building surface | Oliver Geen | 1991-05-28 |