Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888984 | Levelling device of roughness measuring machine | Chihiro Marumo, Yoichi Toida, Junichi Iida, Kenji Sakuma | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888984 | Levelling device of roughness measuring machine | Chihiro Marumo, Yoichi Toida, Junichi Iida, Kenji Sakuma | 1989-12-26 |