Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844743 | Method of cleaning workpieces with a liquid solvent | Heinz Koblenzer, Peter Hosel, Klaus-Peter Franke | 1989-07-04 |
| 4483718 | Method and apparatus for cleaning machined parts | Erwin Bross, Theodor J. Tuchler | 1984-11-20 |