Granted Patent
Utility
US 6,625,420 · App. 09/721,331
System and method of fault management in a mobile communications network having a proxy switch
Inventors:
Shamim A. Naqvi, Kumar K. Vishwanathan, Rangamani Sundar, Murali Aravamudan
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Nov 22, 2000
Inventors
Shamim A. Naqvi
Kumar K. Vishwanathan
Rangamani Sundar
Murali Aravamudan
Assignee (at issue)
Winphoria Networks, 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.