Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4395214 | Foam extrusion apparatus having downstream upper and lower hinged shaping means and side restraining means | Arthur L. Phipps | 1983-07-26 |
| 4371488 | Method and apparatus for extruding foamed bodies involving the use of adjustable traction shaping rolls | Arthur L. Phipps | 1983-02-01 |