Granted Patent
Utility
US 5,345,595 · App. 07/975,512
Apparatus and method for detecting fraudulent telecommunication activity
Inventors:
Eric A. Johnson, Michael D. Liss, Flemming B. Jensen
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Nov 12, 1992
Inventors
Eric A. Johnson
Michael D. Liss
Flemming B. Jensen
Assignee (at issue)
Coral Systems, Inc.
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.