Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-10-23
1980-07-15
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2302
Patent
active
D02559242
REFERENCES:
patent: D197691 (1964-03-01), Hetzler
patent: D200845 (1965-04-01), Aarnio
patent: D208395 (1967-08-01), Mustee
patent: D223830 (1972-06-01), Emanuele
patent: D232322 (1974-08-01), Lee
patent: 3535715 (1970-10-01), Booker et al.
Largen James R.
Reens Louis H.
United Utensils Company, Inc.
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