USD341541SExpiredUtility

Automatic eye-refraction measuring apparatus with spectacle lens measuring apparatus

74
Assignee: CANON KKPriority: Oct 23, 1991Filed: Apr 10, 1992Granted: Nov 23, 1993
Est. expiryOct 23, 2011(expired)· nominal 20-yr term from priority
Inventors:Hiroyuki Ichiyoshi
74
PatentIndex Score
17
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an automatic eye-refraction measuring apparatus with spectacle lens measuring apparatus, as shown and described.

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