IP Library › Assignment 023683/0846
Patent Assignment
Reel/Frame 023683/0846

Assignment of Assignor's Interest

Recorded: 2009-12-21 Pages: 12
Assignor
NUMERICAL TECHNOLOGIES, INC.
Executed: 2009-12-16
Assignee
SYNOPSYS MERGER HOLDINGS LLC
700 E. MIDDLEFIELD ROAD, MOUNTAIN VIEW, CALIFORNIA, 94043
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 Apr 10, 2003
From: LUTTRELL, BRUCE
To: NUMERICAL TECHNOLOGIES, INC.
Reel/Frame 013966/0453 →
Assignment of Assignor's Interest Feb 4, 2005
From: SYNOPSYS MERGER HOLDINGS LLC
To: SYNOPSYS, INC.
Reel/Frame 015653/0738 →
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 →