Granted Patent
Utility
US 5,594,784 · App. 08/052,607
Apparatus and method for transparent telephony utilizing speech-based signaling for initiating and handling calls
Inventor:
George A. Velius
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Apr 27, 1993
Inventor
George A. Velius
Assignee (at issue)
Southwestern Bell Technology Resources, 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.