USD316872SExpiredUtility
Ring binder
Est. expiryJul 20, 2008(expired)· nominal 20-yr term from priority
Inventors:Heinz Witschi
57
PatentIndex Score
9
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a ring binder, as shown and described.
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