Granted Patent
Utility
US 6,170,744 · App. 09/161,416
Self-authenticating negotiable documents
Inventors:
Warren S. Lee, William D. Meadow
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Sep 24, 1998
Inventors
Warren S. Lee
William D. Meadow
Assignee (at issue)
HIPERFORMANCE LLC
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.