USD394661SExpiredUtility
Engine pre-oiler
Est. expiryJan 23, 2017(expired)· nominal 20-yr term from priority
Inventors:Norman E. Beachler, Jr.
12
PatentIndex Score
2
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an engine pre-oiler, as shown and described.
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