Granted Patent
Utility
US 6,831,556 · App. 09/855,653
Composite mobile digital information system
Inventor:
Paul Boykin
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: May 16, 2001
Inventor
Paul Boykin
Assignee (at issue)
Digital Safety Technologies, 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.