Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673203 | Spring biased door stop having a vertically movable tension member | — | 1987-06-16 |
| 4514000 | Spring biased door stop having a vertically movable tension member | Gary E. Burks | 1985-04-30 |