Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1995-02-10
1996-01-09
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23382
Patent
active
D03661091
REFERENCES:
patent: D111542 (1938-09-01), Janca et al.
patent: D291352 (1987-08-01), Kouno et al.
patent: D335483 (1993-02-01), Litvin et al.
patent: D336333 (1993-06-01), Cook
Envirotech Electric, Inc.
Lichtenstein Lisa P.
Sherman Kenneth L.
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