Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1996-05-16
1997-07-08
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23381, 2304
Patent
active
D03808246
REFERENCES:
patent: D221077 (1971-07-01), Stut
patent: D328949 (1992-08-01), Rodrigue, Jr.
patent: 2628771 (1953-02-01), Uhlrig
Hardware Age, Mar. '74, p. 26, Fan 2, bottom right side of page.
Hong Kong Enterprise Oct. 1995, p. 253, Fan A, bottom right side of page, and p. 533, Fan B, top middle side of page.
Flor Jorge R.
Flor Margarita A.
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