4. Material or article handling
  5. Process

William J. Spry

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Apparatus for controlling movement of flowable particulate...

Hydraulic and earth engineering – Bank – shore – or bed protection – Wave or flow dissipation
Reexamination Certificate

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Apparatus for controlling movement of flowable particulate...

Hydraulic and earth engineering – Bank – shore – or bed protection – Wave or flow dissipation
Reexamination Certificate

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Method and apparatus for effecting movement of an article by...

Material or article handling – Process
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2695192

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