Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1985-12-26
1987-09-01
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Patent
active
D02917220
REFERENCES:
patent: D271416 (1983-11-01), Mayer
patent: D273223 (1984-03-01), Horvath
patent: D283438 (1986-04-01), Doyle
patent: 3900397 (1975-08-01), Bell
patent: 4376053 (1983-03-01), Bullock et al.
patent: 4518495 (1985-05-01), Harding
Burke Wallace R.
Vinson Brian N.
Willinger Bros. Inc.
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