Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637850 | Method of making and reading engraved and oxidation code marks on surgical instruments | — | 1997-06-10 |
| 5487644 | Pump having a single or a plurality of helical blades | Eiichi Ishigaki, Kazumitsu Oura | 1996-01-30 |