Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4726146 | Hold-open lock | — | 1988-02-23 |
| 4601446 | Aircraft door counterbalance system | — | 1986-07-22 |
| 4589613 | Counterbalanced hinge assembly | — | 1986-05-20 |
| 4576347 | Flap torque tube slot seal | — | 1986-03-18 |
| 4510714 | Powered outward-opening cargo door | James R. Kasper | 1985-04-16 |
| 4479623 | Spring operated counterbalance hinge assembly for aircraft doors | Alex Maraghe | 1984-10-30 |
| 4473201 | Canopy-type aircraft cargo door and actuating mechanisms | Franklin K. Barnes | 1984-09-25 |