USD298457SExpiredUtility

Vision tester

25
Assignee: OPTICAL TECH CORPORATIONPriority: Jan 24, 1986Filed: Jan 24, 1986Granted: Nov 8, 1988
Est. expiryJan 24, 2006(expired)· nominal 20-yr term from priority
Inventors:Neil MinkinBonnie L. Minkin
25
PatentIndex Score
4
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a vision tester, as shown.

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