Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1992-04-08
1994-03-22
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D03454169
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patent: 36639 (1862-10-01), Bickel
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Grot John B.
Steele Richard E.
Burke Wallace R.
Grot John B.
Lichtenstein Lisa
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