Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6344730 | Method and apparatus for determining the remaining operating time of battery-powered appliances | Rupert Rohrböck | 2002-02-05 |
| 5217780 | Woven ticking, and fabric structure made thereof | — | 1993-06-08 |
| 5058171 | Microphone arrangement | Konrad Wolf | 1991-10-15 |