Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844743 | Method of cleaning workpieces with a liquid solvent | Heinz Koblenzer, Peter Hosel, Franz Staudinger | 1989-07-04 |
KF
Klaus-Peter Franke
Overall (1989): #86,738 of 140,708Top 65%
1
Patents 1989