Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Domestic water heater or boiler
Patent
1985-06-05
1988-02-16
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Domestic water heater or boiler
D23213
Patent
active
D02942887
REFERENCES:
patent: D146308 (1947-02-01), Harman
patent: D200187 (1965-01-01), Davis
patent: D262905 (1982-02-01), Tommaso
patent: D265236 (1982-06-01), Yamin
patent: 2471609 (1949-05-01), Charbonneau
patent: 2780715 (1957-02-01), Strokes
patent: 3557389 (1971-01-01), Scobey
patent: 4085308 (1978-04-01), Youngquist
Largen James R.
Nienow Harvey C.
Zip Financial Inc.
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