Patent Assignment
Reel/Frame 013508/0475
Assignment of Assignor's Interest
Recorded: 2002-11-14
Pages: 2
Assignor
PIERRAT, CHRISTOPHE
Executed: 2002-11-13
Assignee
NUMERICAL TECHNOLOGIES, INC.
70 W. PLUMERIA DRIVE, SAN JOSE, CALIFORNIA, 95134-2134
Covered Property
(1)
Critical Dimension Control Using Full Phase and Trim Masks
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.