Granted Patent
Utility
US 6,091,812 · App. 08/747,468
Apparatus and method for automatically switching a headset between a telephone and a second audio source
Inventors:
David C. Iglehart, Leland Lester, Elie Antoun Jreij, Luc Truong, William E. Levene
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Nov 12, 1996
Inventors
David C. Iglehart
Leland Lester
Elie Antoun Jreij
Luc Truong
William E. Levene
Assignee (at issue)
Siemens Information and Communication Networks, 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.