Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1998-08-21
1999-11-16
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D23370, 2304
Patent
active
D04166191
REFERENCES:
patent: D104259 (1937-04-01), Heller
patent: D104261 (1937-04-01), Heller
patent: 2301953 (1942-11-01), Koch
patent: 2433280 (1947-12-01), Koch et al.
Photographs of a "Hunter Century" Oscillating Fan Circa 1939.
Ediger Glen W.
Israel Gary P.
Brown, Jr. Edward L.
Lichtenstein Lisa
Vornado Air Circulation Systems, Inc.
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