Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1991-05-09
1993-08-17
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03385230
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patent: 2802695 (1957-08-01), Johnson
patent: 3091396 (1963-05-01), Outin
patent: 3724756 (1973-04-01), Maltenfort
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Austin John A.
Zlotnik Arnold
Zlotnik Milton
Burke Wallace R.
Diamond Hymen
Surco Products, Inc.
Tung M. H.
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