Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1989-08-09
1991-04-30
Gandy, James M.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03165990
REFERENCES:
patent: D111542 (1938-09-01), Janca et al.
patent: D270941 (1983-10-01), Lin
patent: 1273238 (1918-07-01), Leon et al.
patent: 4836751 (1989-06-01), Liu
Hardware Age, Mar. '74, p. 26, Fans 1 and 3, middle and right middle sides of page, respectively.
Diehl Manufacturing Co. Catalog, Oscillating Air Circulator Counter and Floor Models, bottom left and middle right sides of page respectively.
Duracraft Corporation
Gandy James M.
Jarcho Harold G.
Lichtenstein Lisa
Toupal John E.
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