Granted Patent
Utility
US 5,812,655 · App. 08/723,748
Flexible service access code (SAC)
Inventors:
Eddie L. Pickeral, Timothy A. Morgan
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Sep 30, 1996
Inventors
Eddie L. Pickeral
Timothy A. Morgan
Assignee (at issue)
MCI Communications Corporation
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.