Granted Patent
Utility
US 5,978,747 · App. 09/063,417
Method for identifying the geographic region of a geographic area which contains a geographic zone
Inventors:
William N. Craport, Bruce C. Winters
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Apr 20, 1998
Inventors
William N. Craport
Bruce C. Winters
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.