Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-04-21
1984-07-31
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02749297
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Davis Stephen H.
Stephens Randy R.
Largen James R.
Water Refining Company, Inc.
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