Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862575 | Method and apparatus for finishing grooved articles | Yoshimichi Shirai, Yasutosi Kada, Kazushi Sugishima | 1989-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862575 | Method and apparatus for finishing grooved articles | Yoshimichi Shirai, Yasutosi Kada, Kazushi Sugishima | 1989-09-05 |