Granted Patent
Utility
US 6,603,977 · App. 09/497,954
Location information system for a wireless communication device and method therefor
Inventors:
Patrick J. Walsh, Kevin D. Kaschke
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Feb 4, 2000
Inventors
Patrick J. Walsh
Kevin D. Kaschke
Assignee (at issue)
SBC Properties, L.P.
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.