Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321137 | Apparatus for processing liquids such as water and the like by reverse osmosis | — | 1982-03-23 |
| 4196019 | Washing apparatus for buoyant material | Clemens Lenzen | 1980-04-01 |