Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1993-04-27
1994-12-13
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D 8354, D23386
Patent
active
D03534529
REFERENCES:
patent: Re34334 (1993-08-01), Chaney
patent: 2448671 (1948-09-01), Itord
patent: 4683923 (1987-08-01), Harris
Edmundson Dean P.
Lichtenstein Lisa P.
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