Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1980-09-22
1983-01-04
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02675064
REFERENCES:
patent: D121608 (1940-07-01), Bedur
patent: D194526 (1963-02-01), Lohmar
patent: D195540 (1963-06-01), Knight
patent: D254802 (1980-04-01), Hayes
patent: D254863 (1980-04-01), Hayes
patent: 2695797 (1954-11-01), McCarthy
patent: 3414001 (1968-12-01), Woodford
patent: 3540762 (1970-11-01), Dunlap
patent: 4076285 (1978-02-01), Martinez
Hardware Age, Jan. 16, 1958, p. 51.
Carson W. Scott
Largen James R.
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