Granted Patent
Utility
US 6,704,921 · App. 10/116,660
Automated flow in PSM phase assignment
Inventor:
Hua-Yu Liu
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Apr 3, 2002
Inventor
Hua-Yu Liu
Assignee (at issue)
Numerical Technologies, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.