Granted Patent
Utility
US 5,111,512 · App. 07/699,867
Method for signature verification
Inventors:
Jason C. Fan, Trevor Hastie, Eyal Kishon
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: May 14, 1991
Inventors
Jason C. Fan
Trevor Hastie
Eyal Kishon
Assignee (at issue)
AT&T Bell Laboratories
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.