Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-01-05
1979-12-18
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D 7207, D2303, D0708
Patent
active
D02537184
REFERENCES:
patent: D248565 (1978-07-01), Watson
patent: 4088114 (1978-05-01), Johnson
patent: 4114590 (1978-09-01), Frahm
Boyd Donald A.
Gale Allen W.
Burke Wallace R.
Cardinal American Corporation
Kemper Catherine
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