Granted Patent
Utility
US 5,060,255 · App. 07/514,472
Telecommunications system with timed-do-not-disturb
Inventor:
James L. Brown
Patented Case
View Patent ↗
Granted: Oct 22, 1991
Filed: Apr 25, 1990
Inventor
James L. Brown
Assignee (at issue)
Bell Atlantic Network Services
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.