Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Combined heating and cooling or with diverse element
Patent
1991-04-19
1992-05-26
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Combined heating and cooling or with diverse element
D28 12
Patent
active
D03265110
REFERENCES:
patent: D184468 (1959-02-01), Wistrand
patent: D248576 (1978-07-01), Janssens
patent: D272101 (1984-01-01), Abe et al.
patent: D294740 (1988-03-01), Yonezawa et al.
patent: D296583 (1988-07-01), Barradas
patent: D297259 (1988-08-01), Wen-Tun
patent: D318347 (1991-07-01), Hirose et al.
House & Garden, May 1973, p. 140, Hairdrier 6, bottom right side of page.
Burke Wallace R.
Lichtenstein Lisa
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