Granted Patent
Utility
US 4,286,255 · App. 06/146,134
Signature verification method and apparatus
Inventor:
Pepe Siy
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: May 2, 1980
Inventor
Pepe Siy
Assignee (at issue)
Burroughs, 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.