Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7100527 | Watercraft mooring device | — | 2006-09-05 |
| 5341866 | Method for the incorporation of a component into a piston | — | 1994-08-30 |
| 5094149 | Pistons having a component incorporated therein | — | 1992-03-10 |
| 4997024 | Method of making a piston | Andrew T. Cole | 1991-03-05 |
| 4718336 | Modular automatic bale tier | — | 1988-01-12 |
| 4702151 | Pistons | David C. Speaight | 1987-10-27 |
| 4679493 | Reinforced pistons | Roger A. Day | 1987-07-14 |
| 4586553 | Pistons | Gordon L. Allen, Roger A. Day | 1986-05-06 |
| 4553472 | Pistons and method for their manufacture | David A. Parker, Neil Graham | 1985-11-19 |