Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7721431 | Method of making a piston | Duncan Parker, David Thornton Pindar, Gillian Hume, David James Tharratt | 2010-05-25 |
| 7341037 | Engine piston and manufacture | Duncan Parker, David Thornton Pindar, Gillian Hume, David James Tharratt | 2008-03-11 |
| 5435523 | Trailer tongue jack | Clement F. Hying, Jay M. Klubertanz | 1995-07-25 |