Patent of the Month: Apparatus for Treating Air

Stay cool out there this summer!

Apparatus for Treating Air – Willis H. Carrier, 09/1904 – 01/02/1906.  National Archives Identifier 7268013

air treatment patent

air treatment patent

 

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2 Responses to Patent of the Month: Apparatus for Treating Air

  1. Jackie says:

    Yeah Buffalo!

    Like

  2. fathan says:

    nice information,
    thanks.

    Like

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