Granted Patent
Utility
US 6,452,691 · App. 09/418,873
Computer network-based facsimile reception system
Inventor:
Catherine R. Marshall
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Oct 15, 1999
Inventor
Catherine R. Marshall
Assignee (at issue)
Qwest Communications International Inc.
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.