Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309959 | Apparatus for applying chemical plating to inner surfaces of tubular members | Ryozo Yamagishi, Osamu Yoshioka, Tetsuo Ishikawa | 1982-01-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4309959 | Apparatus for applying chemical plating to inner surfaces of tubular members | Ryozo Yamagishi, Osamu Yoshioka, Tetsuo Ishikawa | 1982-01-12 |