Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639220 | Pump with inlet and outlet simultaneously exposed to pump chamber and method of operating same | — | 1997-06-17 |
KH
Kiyoharu Hayakawa
Overall (1997): #118,273 of 185,788Top 65%
1
Patents 1997