4. Wheel substitutes for land vehicles
  5. Combined or convertible

Ronald L. Krolak

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Cushioned push dozer device

Earth working – Mounting for pushed tool at end of motor vehicle – Transversely mounted blade
Patent

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Drive mechanism having separable housing

Motor vehicles – Special driving device – Portable track
Patent

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Main frame nose construction

Land vehicles – Wheeled – Running gear
Patent

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Scraping apparatus for track-type vehicles

Wheel substitutes for land vehicles – Combined or convertible
Patent

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Structure mounting a bulldozer assembly to a vehicle

Earth working – Mounting for pushed tool at end of motor vehicle – Transversely mounted blade
Patent

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Profile ID: LFUS-PAI-P-870427

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