Granted Patent
Utility
US 5,959,967 · App. 08/894,021
Digital transmission system
Inventors:
Leslie Derek Humphrey, Christopher Tate
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Jul 24, 1997
Inventors
Leslie Derek Humphrey
Christopher Tate
Assignee (at issue)
Nortel Networks 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.