4. Animal husbandry
  5. Feeding device
  6. Hopper and trough

Donald R. Hoover

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Control roll for staple fibers

Textiles: fiber preparation – Working – Drafting
Patent

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Feeder for hogs and like animals

Animal husbandry – Feeding device – Hopper and trough
Patent

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Universal ring traveler

Textiles: spinning – twisting – and twining – Apparatus and processes – Elements
Patent

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Profile ID: LFUS-PAI-P-669112

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