Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478563 | Apparatus for upwardly extruding and cooling a thermoplastic resin multiple tube structure | — | 1984-10-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478563 | Apparatus for upwardly extruding and cooling a thermoplastic resin multiple tube structure | — | 1984-10-23 |