Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355633 | Method of grinding a workpiece having plural cylindrical portions with plural grinding wheels | Toshio Ishikawa, Shozo Kobayashi, Hisashi Kubota, Yoshiki Kawachi | 1994-10-18 |