4. Plastic article or earthenware shaping or treating: apparatus
  5. Plural reshaping means or plural vulcanizing means including...
  6. Including means for contacting work by fluid pressure

Ronald D. Hatfield

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Apparatus for vacuum thermoforming polymeric sheet material

Plastic article or earthenware shaping or treating: apparatus – Plural reshaping means or plural vulcanizing means including... – Including means for contacting work by fluid pressure
Patent

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Machine for heat sealing polymeric sheets into a spiral drum

Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent

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Profile ID: LFUS-PAI-P-88553

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