4. Boring or penetrating the earth
  5. Bit or bit element
  6. Plural separable cutter elements

Mark S. Greenfield

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Butterfly-type shim having semi-opened bottom and double sandwic

Boring or penetrating the earth – Bit or bit element – Plural separable cutter elements
Patent

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Cemented carbide tool and method of making

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate

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Chromium-containing cemented carbide body having a surface...

Cutters – for shaping – Comprising tool of specific chemical composition
Reexamination Certificate

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Chromium-containing cemented carbide body having a surface...

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Reexamination Certificate

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Cutting insert with a wear-resistant coating scheme...

Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate

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Profile ID: LFUS-PAI-P-328616

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