Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1989-01-23
1992-11-17
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D03311023
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Burke Wallace R.
Hart & Cooley, Inc.
Lichtenstein Lisa
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