Granted Patent
Utility
US 6,674,745 · App. 09/223,856
Method and system for mapping phone numbers to IP addresses
Inventors:
Guido M. Schuster, Ikhlaq S. Sidhu, Jerry Mahler, Jacek A. Grabiec
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Dec 31, 1998
Inventors
Guido M. Schuster
Ikhlaq S. Sidhu
Jerry Mahler
Jacek A. Grabiec
Assignee (at issue)
3Com 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.