Granted Patent
Utility
US 5,418,628 · App. 07/859,485
Integrated data communication system
Inventor:
John L. Perkins
Patented Case
View Patent ↗
Granted: May 23, 1995
Filed: Jun 15, 1992
Inventor
John L. Perkins
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.