USD386561SExpiredUtility

Heat exchanger

Assignee: CAMPBELL CRAIG DOUGLASPriority: Mar 21, 1996Filed: Apr 25, 1996Granted: Nov 18, 1997
Est. expiryMar 21, 2016(expired)· nominal 20-yr term from priority
Inventors:Craig Campbell
46
PatentIndex Score
12
Cited by
4
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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