Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554047 | Guide track assemblies and mounting brackets for upward acting doors | Richard K. Hoofard, Robert Wright, James Wendall Compton, Leroy G. Krupke, Robert S. Cogger | 2003-04-29 |
| 6125582 | Spring winder support for door counterbalance system | Leroy G. Krupke, Michel Beaudoin, Richard K. Hoofard, Erin J. BITTNER | 2000-10-03 |