Granted Patent
Utility
US 6,798,772 · App. 09/390,865
Method for public access to private phone numbers and other telephonic peripherals using a caller access code
Inventors:
Richard G. Bergman, Stephen Knight, Thomas J. Kredo, George Hillenbrand
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Sep 7, 1999
Inventors
Richard G. Bergman
Stephen Knight
Thomas J. Kredo
George Hillenbrand
Assignee (at issue)
Nortel Networks Limited
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.