Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5482103 | Door apparatus with release assembly | Joel M. Bonnell | 1996-01-09 |
| 4731905 | Overhead door torsion spring assembly and method | Richard J. Milano, William F. Wadsworth | 1988-03-22 |