Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1981-10-26
1984-01-03
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02720817
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Corba Robert E.
Davenport Richard L.
Miller Allen D.
Suhajda John I.
Largen James R.
S. C. Johnson & Son Inc.
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