Granted Patent
Utility
US 5,488,649 · App. 08/239,012
Method for validating a communication link
Inventor:
Michael J. Schellinger
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: May 6, 1994
Inventor
Michael J. Schellinger
Assignee (at issue)
Motorola, 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.