Granted Patent
Utility
US 5,872,848 · App. 08/800,560
Method and apparatus for witnessed authentication of electronic documents
Inventors:
Gordon W. Romney, Pedro Zubeldia
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Feb 18, 1997
Inventors
Gordon W. Romney
Pedro Zubeldia
Assignee (at issue)
Arcanvs
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.