IP Library › Granted Patent US 577,748
Granted Patent S1
US 577,748 · App. 29/287,926 · Granted Sep 30, 2008

Blocker for eyeglass lenses

Assignee: National Optronics, Inc
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Quick Facts
Patent No.
US 577,748
App. No.
29/287,926
Granted
Sep 30, 2008
Kind
S1
Claims (1)

The ornamental design for a blocker for eyeglass lenses, as shown and described.

Assignments (2)
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 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 13, 2007
From: TINGEN, TORY L; KOCOTAS, SALLY C; EVANS, DARYLL SCOTT; FERRIS, BRUCE SEYMOUR; ANDERSON, SEAN DEREK
To: NATIONAL OPTRONICS, INC.
Reel/Frame 020242/0561 →