Granted Patent
Utility
US 6,404,887 · App. 09/104,140
Intra-call control of ancillary telecommunications equipment
Inventors:
Robert W Born, Clint Allen Wagner
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Jun 24, 1998
Inventors
Robert W Born
Clint Allen Wagner
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.