Granted Patent
Utility
US 5,319,702 · App. 07/921,901
Method and apparatus for detecting and responding to hook flash events occurring on a remote telephone
Inventors:
Dwight W. Kitchin, Terry D. Johnson, Alan K. Schott, Scott Passe
Patented Case
View Patent ↗
Granted: Jun 7, 1994
Filed: Jul 29, 1992
Inventors
Dwight W. Kitchin
Terry D. Johnson
Alan K. Schott
Scott Passe
Assignee (at issue)
Tele-Matic 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.