Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1994-02-18
1995-12-19
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23332, D23381
Patent
active
D03653935
REFERENCES:
patent: D313275 (1990-12-01), Aida
Hong Kong Enterprise Jun. 1992, p. 172, Fan I, top right side of page, and p. 309, Fan A, top middle of page.
Circular, Inc.
Lichtenstein Lisa P.
Popper Howard R.
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