Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909399 | Back support for seat | — | 2011-03-22 |
| 7686393 | Back support for seat | — | 2010-03-30 |
| 7469963 | Back support for seat | — | 2008-12-30 |
| 7448682 | Back support for seat | — | 2008-11-11 |
| 7422282 | Back support for seat | — | 2008-09-09 |
| 6988772 | Back support for a seat | — | 2006-01-24 |
| 6793288 | Back support for a seat | — | 2004-09-21 |
| 4932071 | Aircraft voice communication anti-blocking device | Alfred Arndt | 1990-06-05 |
| 4551854 | Anti-blocking device including stuck microphone reliever for aircraft voice communication system | Alfred Arndt | 1985-11-05 |
| 4494244 | Step-off device for aircraft voice communication system | Alfred Arndt | 1985-01-15 |