Granted Patent
Utility
US 6,023,505 · App. 08/893,794
System and method for providing a busy signal to a communication
Inventor:
Thomas Joseph Moquin
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Jul 11, 1997
Inventor
Thomas Joseph Moquin
Assignee (at issue)
BELLSOUTH INTELLECTUAL PROPERTY 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.