Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957029 | Linear thruster | Steven J. Breese, Daniel L. Choisser, Kevin R. Douglas, David S. Harris, John W. Langer +2 more | 1999-09-28 |
| 4862786 | Fluid cylinder cushioning system | Roger W. Haczynski | 1989-09-05 |
| 4794681 | Fluid cylinder cushioning system | Roger W. Haczynski | 1989-01-03 |
| 4244618 | Pressure fluid operated gripping apparatus | Jonathan D. Dent | 1981-01-13 |