Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1993-11-15
1995-04-11
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03573117
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patent: D326512 (1992-05-01), Bianco
patent: 3804942 (1974-04-01), Takashi Kato et al.
patent: 4911737 (1990-03-01), Yehl et al.
patent: 5010777 (1991-04-01), Yehl et al.
patent: 5043840 (1991-08-01), Yehl et al.
American Environmental Systems, Inc.
Burdick Harold A.
Lichtenstein Lisa P.
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