Granted Patent
Utility
US 5,428,709 · App. 08/109,666
Integer string rule detection system
Inventor:
Wolfgang Banzhaf
Patented Case
View Patent ↗
Granted: Jun 27, 1995
Filed: Aug 20, 1993
Inventor
Wolfgang Banzhaf
Assignee (at issue)
Mitsubishi Electric Research Laboratories, 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.