4. Plastic and nonmetallic article shaping or treating: processes
  5. Mechanical shaping or molding to form or reform shaped article
  6. Shaping against forming surface

Richard Churchwell

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Apparatus for molding hardenable material

Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With coupling between charger and mold
Reexamination Certificate

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Method for molding hardenable material

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent

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Profile ID: LFUS-PAI-P-1806298

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