Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-02-07
1982-08-31
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D 9376, 47 79, 222530, 239377, D2301
Patent
active
D02660172
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Largen James R.
Pillote Vernon J.
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