Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018687 | Door/hatch actuation | Artur Kupfernagel | 1991-05-28 |
| 4787578 | Weight compensating mechanism particularly for aircraft hatches, doors or gates | — | 1988-11-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018687 | Door/hatch actuation | Artur Kupfernagel | 1991-05-28 |
| 4787578 | Weight compensating mechanism particularly for aircraft hatches, doors or gates | — | 1988-11-29 |