USD342125SExpiredUtility

Oil heat exchanger

44
Individually held — no corporate assignee on recordPriority: Jun 19, 1992Filed: Jun 19, 1992Granted: Dec 7, 1993
Est. expiryJun 19, 2012(expired)· nominal 20-yr term from priority
Inventors:Elmer D. Miller
44
PatentIndex Score
10
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an oil heat exchanger, as shown.

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