Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374236 | Electromagnetic pressure pulse source | — | 1994-12-20 |
| 5309897 | Apparatus for generating acoustic rarefaction pulses | Helmut Reichenberger, Hubert Schwark, Georg Koehler | 1994-05-10 |