Granted Patent
Utility
US 6,000,612 · App. 08/949,073
Portable data collection device having optical character recognition
Inventor:
Jianhua Xu
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Oct 10, 1997
Inventor
Jianhua Xu
Assignee (at issue)
Metanetics 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.