Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1995-11-13
1997-09-30
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23382, 2304
Patent
active
D03844099
REFERENCES:
patent: D154927 (1949-08-01), Jones
patent: D359116 (1995-06-01), Marvin et al.
patent: 2268801 (1942-01-01), Carlton
Gresens Stanley
Jane Rodney B.
Longan John
Wang Jui-Shang
Duracraft Corp.
Lichtenstein Lisa
Toupal John E.
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