Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627747 | Device for balancing of rotors without journals | Harald Schonfeld | 1986-12-09 |
| 4543825 | Procedure for balancing of rotors without journals | Harald Schonfeld | 1985-10-01 |