Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1987-07-29
1990-11-20
Gandy, James M.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03123030
REFERENCES:
patent: D165610 (1952-01-01), Sandberg
patent: D267395 (1982-12-01), Groenewold et al.
patent: 4294371 (1981-10-01), Davis
patent: 4399080 (1983-08-01), Swank
Rival Manufacturing Co., Catalogue, Section II, Jan. 16, 1978, Supplement to HFD Home Furnishing, Naturelles Clay Cookers, left bottom side of p. 1.
Electrical Merchandising Week, Oct. 21, 1963, p. 42, Humidifier and Air Purifier, middle right side of page.
Washington Post 11/3/85 Advertising Supplement, Heckinger's p. 10, West Bend Humidifier, top right side of page.
Gandy James M.
Lichtenstein Lisa
Sedaplast AB
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