4. Electrical transmission or interconnection systems
  5. Switching systems
  6. Condition responsive

Otto P. Fest, Sr.

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Loop-powered current-loop controller and method

Electrical transmission or interconnection systems – Switching systems – Condition responsive
Reexamination Certificate

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Personal flotation device and related system for maintaining...

Buoys – rafts – and aquatic devices – Body supporting buoyant device
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2027605

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