Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688355 | Method and apparatus for continuous compensation of grinding wheel unbalance | Klaus Gruppenbacher | 1987-08-25 |
| 4637171 | Method of continuous compensation of unbalance present in a rotor and in particular in a grinding wheel | Klaus Gruppenbacher | 1987-01-20 |