Granted Patent
Utility
US 5,799,082 · App. 08/554,820
Secure authentication of images
Inventors:
Michael D. Murphy, James M. Janky, John F. Schipper
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Nov 7, 1995
Inventors
Michael D. Murphy
James M. Janky
John F. Schipper
Assignee (at issue)
Trimble Navigation Limited
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.