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

Robert A. Gregor

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Method for fabricating an excavator base

Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate

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Tread belt and drive having involute gear drive

Wheel substitutes for land vehicles – Combined or convertible
Patent

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Profile ID: LFUS-PAI-P-1876122

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