P
USD317618SExpiredUtilityPatentIndex 74

Electronic calculator

Assignee: SHARP KKPriority: Apr 19, 1989Filed: Oct 16, 1989Granted: Jun 18, 1991
Est. expiryApr 19, 2009(expired)· nominal 20-yr term from priority
Inventors:SAWADA MASAJINISHIDA KOUJI
74
PatentIndex Score
8
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14
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an electronic calculator, shown and described.

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