Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5204039 | Extrusion method and extruder used for obtaining phenolic resin pipe | Takeshi Miyasaka | 1993-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5204039 | Extrusion method and extruder used for obtaining phenolic resin pipe | Takeshi Miyasaka | 1993-04-20 |