Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-01-03
1980-08-26
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02566079
REFERENCES:
patent: D156828 (1950-01-01), Hamer
patent: D156829 (1950-01-01), Hamer
patent: 3367624 (1968-02-01), Scaramucci
patent: 4022421 (1977-05-01), Carlin
patent: 4117860 (1978-10-01), Carlin
Branscomb Ralph S.
Largen James R.
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