Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1976-03-23
1977-08-23
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2303
Patent
active
D02455099
REFERENCES:
patent: 567034 (1896-09-01), Loy
patent: D877 (1857-03-01), Galbraith et al.
patent: D8793 (1875-11-01), Bonnet
patent: D10923 (1878-11-01), Castle
patent: D84156 (1931-05-01), McCarthy
patent: D238783 (1976-02-01), Kilham
Stoltzfus David K.
Ulmer Robert G.
Largen James R.
SAID David K. Stoltzfus by said Robert G. Ulmer
Thompson John C.
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