Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342213 | Closed chamber extrusion method and apparatus for shaping of metal rod into tulip-shaped part | Shoju Ishii | 1982-08-03 |
HK
Hajime Koshimaru
Overall (1982): #61,006 of 81,411Top 75%
1
Patents 1982