IP Library Assignment 016306/0684
Patent Assignment
Reel/Frame 016306/0684

Merger

Recorded: 2005-07-26 Pages: 2
Assignor
DUPONT PHOTOMASKS, INC.
Executed: 2005-04-22
Assignee
TOPPAN PHOTOMASKS, INC.
131 OLD SETTLERS BOULEVARD, ROUND ROCK, TEXAS, 78664
Covered Property (1)
System and method for correcting design rule violations in a mask layout file
Application: 10/159,566 →
Publication: US 2002/0144230
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 9, 2005
From: OREN, MICHA
To: DUPONT PHOTOMASKS, INC.
Reel/Frame 015751/0570 →