4. Excavating
  5. Ditch filler

Paul J. Lukavich

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Extended life end bits for bulldozer blades

Earth working – Scraper supports narrow depending tool
Patent

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Rebuildable elevator flight for scraper

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

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Replaceable fastener for cover plates and the like

Excavating – Snow or ice removing or grooming by portable device – Railway clearer
Patent

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Reversible blade bit

Excavating – Ditch filler
Patent

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Tooth with hard material applied to selected surfaces

Excavating – Ditch filler
Patent

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Profile ID: LFUS-PAI-P-1125391

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