Granted Patent
Utility
US 6,240,293 · App. 09/244,866
Method and system for providing local number portability in a wireless telecommunications environment
Inventor:
Karl H. Koster
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Feb 5, 1999
Inventor
Karl H. Koster
Assignee (at issue)
BELLSOUTH INTELLECTUAL PROPERTY 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.