Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1976-07-28
1979-07-10
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02523400
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patent: D140256 (1945-02-01), Shaeffer
patent: 851591 (1907-04-01), Forg
patent: 1548520 (1925-08-01), Flodin
patent: 2118128 (1938-05-01), Yardley
patent: 2502812 (1950-04-01), Wright
patent: 2523458 (1950-09-01), Vogel
Largen James R.
Toren David
Toyo Valve Co., Ltd.
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