Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1991-05-20
1992-07-28
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03283429
REFERENCES:
patent: D225529 (1972-12-01), De Marco
patent: D321048 (1991-10-01), Chiu
patent: 2198890 (1940-04-01), Stilwell
patent: 3229450 (1966-01-01), Stern
patent: 3565068 (1971-02-01), Bickford
patent: 4243870 (1981-01-01), Grime et al.
Fenske Larry J.
Pasch Roger M.
Burke Wallace R.
Lichtenstein Lisa
Research Products Corporation
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