Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412224 | Door drive system | Ralf Hala, Uwe Käser, Theo Reuff | 2002-07-02 |
| 4363498 | Cross country ski binding | Peter Biermann, Otto Ewald, Manfred Schmidt | 1982-12-14 |
| 4337964 | Ski brake | Peter Biermann, Ralf Storandt | 1982-07-06 |
| 4322092 | Cross country ski binding | Manfred Schmidt, Peter Biermann | 1982-03-30 |
| 4268063 | Cross country ski binding | Peter Biermann, Manfred Schmidt | 1981-05-19 |
| 4239257 | Cross country ski binding | Peter Biermann, Manfred Schmidt, Ralf Storandt | 1980-12-16 |
| 4219215 | Cross-country ski bindng with retaining means for a forwardly extended boot sole | Peter Biermann, Otto Ewald, Manfred Schmidt | 1980-08-26 |