Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1991-06-13
1992-10-06
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03300749
REFERENCES:
patent: D171553 (1954-02-01), Podall
patent: D190775 (1961-06-01), Nesbitt
patent: D227571 (1973-07-01), Cook
patent: 2713509 (1955-07-01), Long
patent: 3005591 (1961-10-01), Bradley
patent: 3725640 (1973-04-01), Kunz
Housewares, Jan. 1, 1988, p. 40, Air Filter/Humidifier, top middle side of page.
Chiu Bernard
Marino Frank
O'Grady Richard M.
Wang Jui-Shang
Burke Wallace R.
Duracraft Corporation
Jarcho Harold G.
Lichtenstein Lisa
Toupal John E.
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