Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1993-11-01
1994-08-09
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03495680
REFERENCES:
patent: D137001 (1944-01-01), Katz
patent: D144314 (1946-04-01), Schraysshuen
patent: D335831 (1993-05-01), Chen
patent: 2492039 (1949-12-01), Gilowitz
patent: 2507899 (1950-05-01), Gilowitz
patent: 3400890 (1968-09-01), Gould
Burke Wallace R.
Lichtenstein Lisa
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