Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11274533 | Linear motor for pumping | Gregory M. Harnsberger, Carl Deirmengian, Brian Joseph Williams, David P. Cardamone | 2022-03-15 |
| 5931739 | Fail-safe ride simulator | Gregory Joseph Guzewich, Larry D. Hall | 1999-08-03 |
| 4986734 | Overspeed protection system for aircraft fan engine | Jeffrey D. Metcalf | 1991-01-22 |
| 4869106 | Governor checkout apparatus and method | Jeffrey D. Metcalf | 1989-09-26 |
| 4838403 | Overtravel stop activated control valve | — | 1989-06-13 |
| 4721196 | Overtravel stop | Jeffrey D. Metcalf | 1988-01-26 |
| 4693352 | Clutch mechanism | David J. Lang, William G. Durtschi | 1987-09-15 |