IP Library Assignment 013966/0453
Patent Assignment
Reel/Frame 013966/0453

Assignment of Assignor's Interest

Recorded: 2003-04-10 Pages: 3
Assignor
LUTTRELL, BRUCE
Executed: 2003-04-09
Assignee
NUMERICAL TECHNOLOGIES, INC.
70 WEST PLUMERIA DRIVE, SAN JOSE, CALIFORNIA, 95134-2134
Covered Property (1)
Method and Apparatus for Fracturing Polygons on Masks Used in an Optical Lithography Process
Patent: 6,887,630 →
Application: 10/412,172 →
Publication: US 2004/0205687
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 4, 2005
From: SYNOPSYS MERGER HOLDINGS LLC
To: SYNOPSYS, INC.
Reel/Frame 015653/0738 →
Assignment of Assignor's Interest Dec 21, 2009
From: NUMERICAL TECHNOLOGIES, INC.
To: SYNOPSYS MERGER HOLDINGS LLC
Reel/Frame 023683/0846 →
Corrective Assignment to Correct the Assignor Document Date Should Be 12/20/2004 Previously Recorded on Reel 023683 Frame 0846. Assignor(S) Hereby Confirms the Assignment of Assignors Interest. Mar 23, 2016
From: NUMERICAL TECHNOLOGIES, INC.
To: SYNOPSYS MERGER HOLDINGS, LLC.
Reel/Frame 038236/0178 →