IP Library › Granted Patent US 527,031
Granted Patent S1
US 527,031 · App. 29/240,692 · Granted Aug 22, 2006

Alignment markings for lens blanks

Assignee: National Optronics, Inc.
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Quick Facts
Patent No.
US 527,031
App. No.
29/240,692
Granted
Aug 22, 2006
Kind
S1
Claims (1)

The ornamental design for alignment markings for lens blanks, as shown and described.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 16, 2020
From: NATIONAL OPTRONICS, INC.
To: DAC VISION INCORPORATED (D/B/A DAC TECHNOLOGIES)
Reel/Frame 054434/0009 →
Continuity (2)
Division 2921611200 · Oct 29, 2004
Division 2916719400 · Sep 11, 2002