Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1975-10-07
1977-05-31
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02445301
REFERENCES:
patent: D232174 (1974-07-01), LaBorde
patent: D232236 (1974-07-01), LaBorde
patent: D232237 (1974-07-01), LaBorde
patent: D232238 (1974-07-01), LaBorde
patent: D235870 (1975-07-01), Sheeham
patent: 3430934 (1969-03-01), Weishaupt
patent: 3489208 (1970-01-01), Manteufel
patent: 3506248 (1970-04-01), Starbuck et al.
patent: 3752453 (1973-08-01), Doyne
Bell and Reading Engineering Ltd.
Fraser Valley Milk Producers Association
Largen James R.
Larson Roberts B.
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