4. Measuring, testing, or signalling instruments
  5. Measuring, regulating or indicating instrument, or casing
  6. Temperature, humidity, atmospheric condition

Richard Katzman

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Humidifier

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

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Method and apparatus for compensating for varying water...

Electric heating – Heating devices – With power supply and voltage or current regulation or...
Reexamination Certificate

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Thermometer

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent

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Profile ID: LFUS-PAI-P-1732720

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