Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1990-04-10
1992-10-06
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D03300773
REFERENCES:
patent: 4640668 (1987-02-01), Yang
patent: 4693673 (1987-09-01), Nee
patent: 4892460 (1990-01-01), Volk
Palco Internat'l Corp. brochure, p. 2, Ceiling Fan Blade A, top right side of page.
Burke Wallace R.
Casablanca Industries, Inc.
Lichtenstein Lisa
Roston Ellsworth R.
Schwartz Charles H.
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