Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169527 | Liquid extracting device and associated method | Reiner Zeppenfeld | 1992-12-08 |
| 5098581 | Method and device for the generation of fine gas bubbles in a liquid | — | 1992-03-24 |
| 4273732 | Method and apparatus for raising an aeration apparatus for liquids | — | 1981-06-16 |