Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832404 | Flight attendant seat and its arrangement in an aircraft | Helmut Stueben | 1989-05-23 |
| 4799632 | Seat for a vehicle, especially an aircraft seat | Helmut Stueben | 1989-01-24 |