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Patent applications and USPTO patent grants for Phipps; Arthur L..The latest application filed is for "foam extrusion apparatus having downstream upper and lower hinged shaping means and side restraining means".
Patent | Date |
---|---|
Foam extrusion apparatus having downstream upper and lower hinged shaping means and side restraining means Grant 4,395,214 - Phipps , et al. July 26, 1 | 1983-07-26 |
Foam extrusion die assembly Grant 4,364,722 - Phipps December 21, 1 | 1982-12-21 |
Foam extrusion apparatus and method Grant 4,211,739 - Phipps July 8, 1 | 1980-07-08 |
Foam extrusion die assembly Grant 4,201,534 - Phipps May 6, 1 | 1980-05-06 |
Foam Extrusion Die Grant 3,871,812 - Phipps March 18, 1 | 1975-03-18 |
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