4. Plastic article or earthenware shaping or treating: apparatus
  5. Control means responsive to or actuated by means sensing or...

Darrell Darrow

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Apparatus of staged resonant frequency vibration of concrete

Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or...
Patent

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Method of finishing plastic concrete mixture

Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Producing or treating inorganic hydro-settable material
Reexamination Certificate

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Method of staged resonant frequency vibration of concrete

Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Patent

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Profile ID: LFUS-PAI-P-395619

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