Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Combined heating and cooling or with diverse element
Patent
1997-03-20
1999-02-02
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Combined heating and cooling or with diverse element
D23314, D23351, 2304
Patent
active
D04051700
REFERENCES:
patent: D119051 (1940-02-01), Rogers
patent: D180247 (1957-05-01), Schory
patent: D366522 (1996-01-01), Lagace et al.
patent: 3124197 (1964-03-01), Funk
Lichtenstein Lisa
Pro Air, Inc.
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