Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-10-23
1980-08-26
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2302
Patent
active
D02566117
REFERENCES:
patent: D101535 (1936-10-01), Karstadt
patent: D199021 (1962-09-01), Stairs, Jr.
patent: D237884 (1975-12-01), Korol
patent: 3364505 (1968-01-01), Palmier
patent: 4162548 (1979-07-01), Groombridge et al.
Largen James R.
Osann Robert
Societe Generale de Fonderie
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