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Patent
D679788
Priority
Oct 07 2008
Filed
Apr 07 2009
Issued
Apr 09 2013
Expiry
Apr 09 2027
Assg.orig
Entity
unknown
3
15
n/a
The ornamental design for a heat exchanger , as shown and described.
FIG. 1 is a perspective view of the bottom end plate of the heat exchanger; and,
FIG. 2 is a perspective view of the top end plate of the heat exchanger.
The views of the heat exchanger not shown do not form a part of the inventive design. The portions of the heat exchanger in phantom are presented as an environment, and do not form a part of the claimed design.
Hoberg, Svante
Patent
Priority
Assignee
Title
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Radiators for heating
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