4. Plastic and nonmetallic article shaping or treating: processes
  5. Direct application of fluid pressure differential to...
  6. Perforation by differential fluid pressure; or smoothing,...

Duane A. Rondeau

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Apparatus for texturizing the upper surfaces of concrete...

Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Surface deformation means only
Reexamination Certificate

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Automated mold changing system for concrete product molding...

Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – Including support or guide means for disassembled element
Reexamination Certificate

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Concrete product mold inserting and removing apparatus and metho

Plastic article or earthenware shaping or treating: apparatus – With apparatus assembly or dismantling means or with idle part – Including support or guide means for disassembled element
Patent

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Method for texturizing the face of concrete products

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Perforation by differential fluid pressure; or smoothing,...
Patent

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Profile ID: LFUS-PAI-P-692029

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