Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1990-05-31
1991-10-15
Gandy, James M.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03208478
REFERENCES:
patent: 3520245 (1970-07-01), Painter
patent: 4759270 (1988-07-01), Lindeen
J.C. Whitney's Cat. .COPYRGT.1979, p. 25, roof air scoops 1, 2, and 3, top left and middle left sides of page, respectively.
1981 Sweet's Cat., vol. 11, Section 10.19/50, p.3, Ampcor Roof Louvers A and B top middle and top right side of page respectively.
Gandy James M.
Lichtenstein Lisa
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