Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4325215 | Hydraulic apparatus | — | 1982-04-20 |
| 4324748 | Process and apparatus for extruding plastic foams through a fluorocarbon lined die shaping means having extended wear characteristics | Hideo Hatakeyama | 1982-04-13 |