Granted Patent
Utility
US 5,537,489 · App. 08/154,150
Method of normalizing handwritten symbols
Inventors:
Frank W. Sinden, Gordon Wilfong
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Nov 18, 1993
Inventors
Frank W. Sinden
Gordon Wilfong
Assignee (at issue)
AT&T 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.