4. Valves and valve actuation
  5. Valve
  6. Materials

Ronald E. Barker

Inventor

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Animal twitch

Animal husbandry – Feeding device – Hopper and trough
Patent

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Railcar draft gear assembly and system

Railway draft appliances – Couplings – Glass table
Reexamination Certificate

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Railcar draft gear assembly and system

Railway draft appliances – Couplings – Glass table
Reexamination Certificate

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Sweeping apparatus

Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent

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Valve with improved sealing structure

Valves and valve actuation – Valve – Materials
Patent

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Profile ID: LFUS-PAI-P-803779

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