Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1993-07-20
1994-08-09
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23381, D28 12
Patent
active
D03495701
REFERENCES:
patent: D272101 (1984-01-01), Abe et al.
patent: 4412478 (1983-11-01), Osher et al.
patent: 5118252 (1992-06-01), Chaney
Hong Kong Enterprise Feb. 1993, p. 222, Personal Fan A, top middle side of page.
Circulair, Inc.
Lichtenstein Lisa
Popper Howard R.
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