4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Natan E. Parsons

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Adaptive object-sensing system for automatic flusher

Valves and valve actuation – Electrically actuated valve – Remote or follow-up control system for electrical actuator
Reexamination Certificate

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Apparatus and method for controlling fluid flow

Valves and valve actuation – Electrically actuated valve – Remote or follow-up control system for electrical actuator
Reexamination Certificate

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Assembly of solenoid-controlled pilot-operated valve

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Reexamination Certificate

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Automatic bathroom flusher cover

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Design Patent

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Automatic bathroom flushers

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

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Profile ID: LFUS-PAI-P-364880

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