Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5127512 | Method of operating a magnetically driven vibrating conveyor and apparatus for implementing the method | Werner Mildenberger, Siegfried Hanemann | 1992-07-07 |
| 4247211 | Optically coded keyboard arrangement | Wolfgang Behrendt, Detlef Bohnhage, Peter Friedemann, Reinhold Orzessek | 1981-01-27 |
| 4231667 | Typewriter ribbon feed mechanism | Wolfgang Behrendt, Detlef Bohnhage, Peter Friedemann, Reinhold Orzessek | 1980-11-04 |