Granted Patent
Utility
US 5,600,710 · App. 08/543,513
Method for providing a recorded message to a telephone caller when called number is busy
Inventors:
Frank Weisser, Jimmy W. Langley
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Oct 16, 1995
Inventors
Frank Weisser
Jimmy W. Langley
Assignee (at issue)
BellSouth 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.