Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1976-10-27
1977-12-27
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02467968
REFERENCES:
patent: D52762 (1918-12-01), Sewenson
patent: D186889 (1959-12-01), Atalla et al.
patent: D193643 (1962-09-01), Klonoski et al.
patent: 1983606 (1934-12-01), Geise
patent: 2132133 (1938-10-01), Smith
patent: 3751181 (1973-08-01), Hayashi
patent: 3773435 (1973-11-01), Wooden
Chou Cheng-Chien
Laymon Stephen A.
Greer, Jr. Thomas J.
Largen James R.
Wallace Murray Corporation
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