4. Environmental heating and cooling; fluid handling and sanitary e
  5. Heating or cooling
  6. Air treatment

Richard T. Briggs

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Electronically enhanced media air filtration system

Gas separation: apparatus – Electric field separation apparatus – With control means responsive to sensed condition
Reexamination Certificate

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Electronically enhanced media air filtration system and...

Gas separation: apparatus – Electric field separation apparatus – And serially arranged nonelectrical separator
Reexamination Certificate

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Room air purifier device

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent

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Room air purifier device

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent

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Profile ID: LFUS-PAI-P-2469993

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