Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472207 | Method for manufacturing blank material suitable for oil drilling non-magnetic stabilizer | Shushi Kinoshita, Yoshio Kitamura | 1984-09-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472207 | Method for manufacturing blank material suitable for oil drilling non-magnetic stabilizer | Shushi Kinoshita, Yoshio Kitamura | 1984-09-18 |