USD378290SExpiredUtility
Interchangeable plug device
Est. expiryJun 14, 2016(expired)· nominal 20-yr term from priority
Inventors:Stan S. Hahn
65
PatentIndex Score
13
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an interchangeable plug device, as shown and described.
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