Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1983-09-21
1986-06-17
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02843030
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patent: 4162548 (1979-07-01), Groombridge et al.
patent: 4450595 (1984-05-01), Saccomanno
Largen James R.
Societe Generale de Fonderie
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