Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1989-08-07
1991-08-06
Gandy, James M.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D03189155
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Lakewood Fan Cat., p. 9, High-Velocity Reversible Window Fan.
Lasko copy of advertisement-these fans were on sale prior to applicant's invention.
Copy of a photograph of a Holmes Air fan known by applicant before applicant's invention, published prior to 8/7/89.
Dybvig Roger S.
Gandy James M.
Lichtenstein Lisa
The W. B. Marvin Manufacturing Company
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