4. B - Operations, Transporting
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Frederick M. Hewitt

B - Operations – Transporting – 28 – B

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Concrete extruder with interacting auger and core means

B - Operations – Transporting – 28 – B
Patent

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Manufacturing concrete slabs with soffit edges

B - Operations – Transporting – 28 – B
Patent

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Pile extruder

B - Operations – Transporting – 28 – B
Patent

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Concrete extruder with interacting auger and core means

B - Operations – Transporting – 28 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Pile extruder

B - Operations – Transporting – 28 – B
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-66466

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