Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Combined heating and cooling or with diverse element
Patent
1993-08-12
1994-07-12
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Combined heating and cooling or with diverse element
D23335, D23381
Patent
active
D03487245
REFERENCES:
patent: D340971 (1993-11-01), Pirro
patent: 4703153 (1987-10-01), Pelonis
Hong Kong Enterprise Feb. 1993, p. 170, Heater A, top left side of page.
Burke Wallace R.
Del-Rain Corporation
Lichtenstein Lisa
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