Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638640 | Safety device for spring-loaded overhead doors | Dale V. Hecker | 1997-06-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638640 | Safety device for spring-loaded overhead doors | Dale V. Hecker | 1997-06-17 |