Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1976-10-05
1979-07-03
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02522802
REFERENCES:
patent: D141914 (1945-07-01), Benson
patent: 2273601 (1942-02-01), Thomas
patent: 2477831 (1949-08-01), Schmitz, Jr.
patent: 2963191 (1968-12-01), Sotzekorn et al.
Drucker William Anthony
Largen James R.
S. W. Hart and Co. Pty. Ltd.
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