4. Excavating
  5. Combined or convertible
  6. Having quick-connect coupling

John T. Sonerud

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Apparatus for digging post holes and erecting posts

Excavating – Peat excavators
Patent

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Apparatus for mounting a drilling machine on an excavator bucket

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

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Coupling of drive systems to an accessory or an excavator of the

Excavating – Combined or convertible – Having quick-connect coupling
Patent

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Device for quick connection of hydraulic tubings

Excavating – Combined or convertible – Having quick-connect coupling
Patent

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Pipelaying appliance

Material or article handling – Cylindrical bar handling device – Including ramp and retractable stop or ejector
Patent

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Profile ID: LFUS-PAI-P-134864

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