Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658126 | Side channel compressor | Peter Fischer, Klaus Schoenwald, Norbert Aust | 1997-08-19 |
| 4280049 | X-ray spectrometer | Antonius W. Witmer, Wilhelmus F. Knippenberg | 1981-07-21 |