Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848039 | Method and apparatus for grinding multiple workpieces | — | 1989-07-18 |
| 4672775 | Method and apparatus for grinding multiple workpieces | — | 1987-06-16 |
| 4198183 | Motion translation apparatus | Heinz O. Kramer, Stephan Weyeneth, Claus Kowitz | 1980-04-15 |