Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6376396 | Soundproofing material and the use thereof | Udo Thorn, Wolfgang Riediger, Georg Jochim | 2002-04-23 |
| 4758964 | Method and apparatus for monitoring machine parts | Gerd Bittner | 1988-07-19 |