4. Excavating
  5. Ditcher
  6. Wheel excavator

Dan Hawks

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Control of excavation apparatus

Excavating – Ditcher – Wheel excavator
Reexamination Certificate

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Cutting element supported on a chain

Excavating – Endless digger – Digging chain – bucket – blade – or tooth structure – per se
Reexamination Certificate

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Cutting element supported on a drum

Excavating – Endless digger – Digging chain – bucket – blade – or tooth structure – per se
Reexamination Certificate

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Cylindrical cutting element supported on a chain

Excavating – Endless digger – Digging chain – bucket – blade – or tooth structure – per se
Reexamination Certificate

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Cylindrical cutting element supported on a drum

Excavating – Endless digger – Digging chain – bucket – blade – or tooth structure – per se
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2707896

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