Granted Patent
Utility
US 6,128,414 · App. 08/939,140
Non-linear image processing and automatic discriminating method and apparatus for images such as images of machine-readable symbols
Inventor:
Lingnan Liu
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Sep 29, 1997
Inventor
Lingnan Liu
Assignee (at issue)
INTERMEC IP CORP.
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.