USD304855SExpiredUtility

Heat exchanger

59
Assignee: SANDEN CORPPriority: Aug 19, 1985Filed: Aug 19, 1985Granted: Nov 28, 1989
Est. expiryAug 19, 2005(expired)· nominal 20-yr term from priority
Inventors:Hisao Aoki
59
PatentIndex Score
8
Cited by
25
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a heat exchanger, as shown and described.

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