Granted Patent
Utility
US 6,681,252 · App. 09/406,152
System and method for interconnecting portable information devices through a network based telecommunication system
Inventors:
Guido M. Schuster, Ikhlaq S. Sidhu, Frederick Dean, Ronnen Belkind
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Sep 27, 1999
Inventors
Guido M. Schuster
Ikhlaq S. Sidhu
Frederick Dean
Ronnen Belkind
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.