Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966067 | Involute cam actuator with piston drive | David J. Lang, Richard E. Walsh | 1990-10-30 |
| 4932511 | Rotary travel limit stop apparatus | — | 1990-06-12 |
| 4890979 | No-back apparatus for propeller pitch control | Bruce A. Krandel, Allyn M. Aldrich | 1990-01-02 |
| 4878809 | Power source and control mechanism for propeller pitch control | — | 1989-11-07 |