Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1994-07-19
1996-04-30
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D03694046
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patent: 4892088 (1990-01-01), Vestal, Sr.
patent: 5282459 (1994-02-01), Soule
Liberty Foundry Co. Cat., P. 1, Grate A.
Grace James W.
Lichtenstein Lisa P.
Vestal Manufacturing Company
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