Granted Patent
Utility
US 6,563,799 · App. 09/240,930
Application module interface for hardware control signals in a private branch exchange (PBX) environment
Inventors:
David W. Haislett, Gregory Lese
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jan 29, 1999
Inventors
David W. Haislett
Gregory Lese
Assignee (at issue)
Avaya Technology LLC
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.