USD271025SExpiredUtility
Combined ruler and electronic calculator
Est. expiryJul 19, 2002(expired)· nominal 20-yr term from priority
Inventors:Robert Li
86
PatentIndex Score
23
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined ruler and electronic calculator, substantially as shown and described.
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