Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1979-11-26
1982-03-16
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02634155
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Blodgett Gerry A.
Blodgett Norman S.
Largen James R.
Uni-Flange Corporation
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