Granted Patent
Utility
US 6,822,963 · App. 09/529,996
Telecommunications
Inventor:
Nail Kavak
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Sep 7, 2000
Inventor
Nail Kavak
Assignee (at issue)
Telia Company AB
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.