Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1993-08-27
1995-05-09
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D03582051
REFERENCES:
patent: 2985089 (1961-05-01), Gilmore
patent: 3938430 (1976-02-01), Koppang
Lichtenstein Lisa P.
Ottawa Mould Craft Ltd.
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