Granted Patent
Utility
US 6,757,645 · App. 09/130,996
Visual inspection and verification system
Inventors:
Fang-Cheng Chang, Yao-Ting Wang, Yagyensh C. Pati, Linard Karklin
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Aug 7, 1998
Inventors
Fang-Cheng Chang
Yao-Ting Wang
Yagyensh C. Pati
Linard Karklin
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.