Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329130 | Flow meter with helical toothed rotors having no pulsation and zero contact pressure | Koji Hotta | 1982-05-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329130 | Flow meter with helical toothed rotors having no pulsation and zero contact pressure | Koji Hotta | 1982-05-11 |