Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5709259 | Multiple section modular door and joint structure | Richard Lewis, Alan R. Leist, Frank R. Wilgus, Frank A. Wilgus | 1998-01-20 |
| 5626176 | Multiple section modular door and joint structure | Richard Lewis | 1997-05-06 |
| 5615863 | Dandy jack | — | 1997-04-01 |
| 5404927 | Overhead garage door bottom bracket | — | 1995-04-11 |