Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D365552 | Keyboard | Ralf Sauer | 1995-12-26 |
| D346376 | Keyboard | Ralf Sauer | 1994-04-26 |
| D341134 | Keyboard | Ekkehard Sachs, Ralf Sauer | 1993-11-09 |
| D340445 | Dual component keyboard unit | Ekkehard Sachs, Ralf Sauer | 1993-10-19 |