Granted Patent
Utility
US 6,742,031 · App. 09/411,822
Delay calculation for a frame relay network
Inventor:
Michael D. Fontenot
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Oct 1, 1999
Inventor
Michael D. Fontenot
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.