Granted Patent
Utility
US 5,940,187 · App. 08/779,038
Method for certifying facsimile communications over a telephone network
Inventor:
Lawrence R. Berke
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Jan 6, 1997
Inventor
Lawrence R. Berke
Assignee (at issue)
BellSouth 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.