Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1985-01-24
1987-04-28
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D 8311
Patent
active
D02895447
REFERENCES:
patent: D146327 (1947-02-01), Trombley
patent: D190314 (1961-05-01), Nelson et al.
patent: D198028 (1964-04-01), Collins, Jr.
patent: D207536 (1967-05-01), Boldt
patent: D277696 (1985-02-01), Doman
Home Appliance Builder, Sep. 1959, p. 48, "Rogan Brothers" advertisement, top center knob.
Kohler Co.
Largen James R.
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