4. Earth working
  5. Automatic power control
  6. Land leveller type

Donald R. Flugrad, Jr.

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Positon feedback mechanism for an implement

Earth working – Automatic power control – Land leveller type
Patent

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Self-actuating, traction-drive speed changer

Friction gear transmission systems or components – Plural gearing in series – Friction gearing is ratio change gearing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-725778

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