Granted Patent
Utility
US 6,477,355 · App. 09/275,891
Transmission quality reporting
Inventors:
Mark Grayson, Dennis Mullins
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Mar 25, 1999
Inventors
Mark Grayson
Dennis Mullins
Assignee (at issue)
ICO Services Limited
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.