Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1996-06-10
1998-09-29
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23332, D23379, 2304
Patent
active
D03989810
REFERENCES:
patent: D63657 (1923-12-01), Root
patent: D105529 (1937-08-01), Kelly
patent: D329088 (1992-09-01), Yuen
patent: 2245015 (1941-06-01), Sibal
Hong Kong Enterprise Oct. 1995, p. 409, Mini Fan A, bottom right side of page.
Leon Harry I.
Lichtenstein Lisa
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