Granted Patent
Utility
US 6,011,836 · App. 08/805,081
In-line control of telephony device
Inventor:
Michael Hudson
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: Feb 24, 1997
Inventor
Michael Hudson
Assignee (at issue)
Diamond Multimedia 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.