Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-06-23
1984-07-31
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D34 1, D34 7
Patent
active
D02749327
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Kemper Catherine E.
Reynolds Benoni O.
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