Granted Patent
Utility
US 5,550,895 · App. 08/160,135
Bimodal portable telephone
Inventors:
Kyle L. Burson, Yum-Cheng Chang, Wilson Fok, Kenneth W. Leland, Denis P. Orlando, Andrzej Partyka
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: Dec 2, 1993
Inventors
Kyle L. Burson
Yum-Cheng Chang
Wilson Fok
Kenneth W. Leland
Denis P. Orlando
Andrzej Partyka
Assignee (at issue)
LUCENT TECHNOLOGIES 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.