4. Earth working
  5. Tool, standard or connection
  6. With add-on cutting or wearing element applied directly...

Lawrence H. McSweeney

Inventor

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Cutting bit insert configured in a polygonal pyramid shape...

Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Rolling or rotatable bit
Reexamination Certificate

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Insert for board

Earth working – Tool – standard or connection – With add-on cutting or wearing element applied directly...
Patent

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Roof drilling system

Boring or penetrating the earth – With tool shaft detail
Patent

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Roof drilling system

Boring or penetrating the earth – With tool shaft detail
Patent

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Roof drilling system

Boring or penetrating the earth – With tool shaft detail
Patent

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Profile ID: LFUS-PAI-P-725274

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