Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D705742 | Control box | Kevin Carpenter, Stephen Norris | 2014-05-27 |
| 6131434 | Combination pneumatic hammer, spring and guide for chisels in use for sealing Pittsburgh lock seams | — | 2000-10-17 |
| 5095735 | Pittsburgh lock hammer guide | — | 1992-03-17 |