Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513905 | Valve control device | Klaus Schirmer | 1996-05-07 |
| 5075822 | Housing for installation in motor vehicles | Heinz Baumler, Richard Hoffmann, Klaus Schirmer | 1991-12-24 |
| 4636143 | Propeller for gaseous and fluidic media | — | 1987-01-13 |