Granted Patent
Utility
US 6,480,474 · App. 09/819,079
Telephone call-back system controlled by an online data network in real-time
Inventors:
Clark E. Johnson, Jr., Richard Jay Solomon, Tice F. DeYoung, David J. Farber
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Apr 30, 2001
Inventors
Clark E. Johnson, Jr.
Richard Jay Solomon
Tice F. DeYoung
David J. Farber
Assignee (at issue)
Caritas Technologies, 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.