Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4492067 | End stile apparatus and method for an overhead door section | Lawrence G. Martin | 1985-01-08 |
| RE31461 | Method of preparing a section for an overhead door | Lawrence G. Martin | 1983-12-13 |
| 4347653 | Method of preparing a section for an overhead door | Lawrence G. Martin | 1982-09-07 |
| 4284119 | Overhead door and overhead door section system and method | Lawrence G. Martin | 1981-08-18 |