USD253043SExpiredUtility

Optical lens vertex measuring projector

45
Individually held — no corporate assignee on recordPriority: Feb 4, 1977Filed: Aug 4, 1977Granted: Oct 2, 1979
Est. expiryFeb 4, 1997(expired)· nominal 20-yr term from priority
Inventors:Siegfried Gelius
45
PatentIndex Score
4
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an optical lens vertex measuring projector, as shown and described.

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