Granted Patent
Utility
US 4,769,850 · App. 06/917,583
Pattern recognition system
Inventors:
Shoji Itoh, Hideo Suzuki
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Oct 10, 1986
Inventors
Shoji Itoh
Hideo Suzuki
Assignee (at issue)
International Business Machines 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.