USD299745SExpiredUtility

Keratometer

58
Assignee: CANON KKPriority: Apr 8, 1986Filed: Apr 8, 1986Granted: Feb 7, 1989
Est. expiryApr 8, 2006(expired)· nominal 20-yr term from priority
Inventors:Hiroaki SasakiYukitsugu Nakamura
58
PatentIndex Score
8
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a keratometer, as shown and described.

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