Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1982-05-19
1985-04-23
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02785510
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patent: 2781778 (1957-02-01), Lisciani
patent: 3131718 (1964-05-01), Mingrone
patent: 3335751 (1967-08-01), Davis, Jr.
Jacobs Mark C.
Largen James R.
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