Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1986-01-30
1988-03-29
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D02949687
REFERENCES:
patent: D159692 (1950-08-01), Steinhart
patent: D167740 (1952-09-01), Corwin
patent: D221077 (1971-07-01), Stut
patent: D240231 (1976-06-01), Patton
patent: D270941 (1983-10-01), Lin
Sears Spring/Summer catalogue, 1980, p. 1200, #3, 9 Inch Oscillating Fan.
Hitachi Advertisement, Hardware Age, Mar. 1974, p. 26, #4, fan.
Burke Wallace R.
Holmes Products Corp.
Kriegsman Irving M.
Vinson Brian N.
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