Granted Patent
Utility
US 6,445,975 · App. 09/454,097
Carrier route optimization system
Inventor:
Thomas E. Ramsey
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Dec 3, 1999
Inventor
Thomas E. Ramsey
Assignee (at issue)
R.R. DONNELLEY & SONS COMPANY
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.