Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1985-01-31
1987-08-18
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02914808
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Valls Jose E.
Vassallo Efrain D.
Largen James R.
Vassallo Research and Development Corporation
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