Granted Patent
Utility
US 5,625,708 · App. 07/959,846
Method and apparatus for symbol recognition using multidimensional preprocessing
Inventor:
Yann LeCun
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Oct 13, 1992
Inventor
Yann LeCun
Assignee (at issue)
LUCENT 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.