Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1992-11-23
1994-05-10
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03468577
REFERENCES:
patent: 2579045 (1951-12-01), Levitt
patent: 2778678 (1957-01-01), Shields et al.
patent: 4099047 (1978-07-01), Kirkland, Jr.
Burke Wallace R.
Lei Alfred
Lichtenstein Lisa
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