Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632381 | Apparatus for sorting materials | Walter Thust, Jurgen Kirchhoff, Leo Uelhoff | 1997-05-27 |
| 5376025 | Fixture for halogen lamps | Helmut Willnat | 1994-12-27 |
| 4347775 | Plug for mouthpiece of a wooden recorder | Waldemar Schaller | 1982-09-07 |