Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698235 | Extrusion screw for extruder | Toru Satoh | 1997-12-16 |
NO
Naoharu Obuchi
Overall (1997): #99,734 of 185,788Top 55%
1
Patents 1997