Granted Patent
Utility
US 5,432,864 · App. 07/956,180
Identification card verification system
Inventors:
Daozheng Lu, Simon Lu
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Oct 5, 1992
Inventors
Daozheng Lu
Simon Lu
Assignees (at issue)
Daozheng Lu
Simon W. Lu
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.