Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1981-02-13
1982-08-03
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2304
Patent
active
D02656817
REFERENCES:
patent: D82179 (1930-09-01), Ringwald
patent: 636871 (1899-11-01), Wait
patent: 2119398 (1938-05-01), Morso
patent: 4073598 (1978-02-01), Mizutani et al.
Home Lighting & Accessories, Mar. 1977, p. 34, bottom left item.
Home Lighting & Accessories, Nov. 1978, p. 40, top left item.
Nutone, Form PF-380, Rev. 5/80, p. C-8, All Brown Verandah Paddle Fan-Model PF-52BWN-PFB-52D.
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