Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6170198 | Prehung door installation aid | Donald E. Staples, J. Christian Staples | 2001-01-09 |
| 5722203 | Prehung door installation aid | Donald E. Staples, J. Christian Staples | 1998-03-03 |