Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-04-28
1981-03-24
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2302
Patent
active
D02586827
REFERENCES:
patent: D185767 (1959-07-01), McCann
patent: D202413 (1965-09-01), Tiller
patent: D233889 (1974-12-01), Juairo
patent: 268379 (1882-12-01), Baldwin
patent: 654601 (1900-07-01), Bunting, Jr.
patent: 2208720 (1940-07-01), Coordes
Largen James R.
Lind John E.
W. & G. Sissons, Limited
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