4. Valves and valve actuation
  5. Rotary valves
  6. Ball valve

David Yakos

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Automatically flushing toilet

Baths – closets – sinks – and spittoons – Flush-valve operators – Seat operated
Reexamination Certificate

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Stemless ball valve

Valves and valve actuation – Rotary valves – Ball valve
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2219549

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