Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315719 | Non-lubricated rotary pump with discharge through end heads | Hiroshi Sakamaki, Toshiyuki Maeda, Fumihiro Ushijima | 1982-02-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315719 | Non-lubricated rotary pump with discharge through end heads | Hiroshi Sakamaki, Toshiyuki Maeda, Fumihiro Ushijima | 1982-02-16 |