Granted Patent
Utility
US 6,399,256 · App. 09/453,709
Reticle having accessory pattern divided into sub-patterns
Inventor:
Hisanori Ueno
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Dec 3, 1999
Inventor
Hisanori Ueno
Assignee (at issue)
NEC CORPORATION
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.