Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1989-11-14
1991-04-02
Gandy, James M.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D03159493
REFERENCES:
patent: 3399 (1869-03-01), Sturtevant
patent: 3300122 (1967-01-01), Bowles et al.
patent: 4676717 (1987-06-01), Willyard, Jr. et al.
New York Blower Co. Catalog, p. 10, FRP Radial Fume Exhauster, top middle, side of page.
Gandy James M.
Lichtenstein Lisa
Soft Construction AB
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