Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-02-21
1980-03-04
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D 7208, D23 96, D0708, D2303
Patent
active
D02543885
REFERENCES:
patent: D240536 (1976-07-01), Christophel
patent: D242542 (1976-11-01), Betenbaugh, Jr.
patent: 4114590 (1978-09-01), Frahm
Chesnut Amos E.
Parrigin Albert J.
Arvin Industries, Inc.
Burke Wallace R.
Jenkins Thomas P.
Kemper Catherine
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