Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419599 | Method and means for locating perimeter points for lines on athletic fields | — | 2002-07-16 |
| 6405569 | Theft prevention lock for trailers with socket type hitches | — | 2002-06-18 |
| 5785391 | Wheel adapter | Alan C. Parry | 1998-07-28 |
| 4538555 | Power plate | — | 1985-09-03 |