Granted Patent
Utility
US 5,663,756 · App. 08/567,836
Restricted access remote control unit
Inventors:
Donald E. Blahut, Guy A. Story, Jr., Edward Stanley Szurkowski
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Dec 6, 1995
Inventors
Donald E. Blahut
Guy A. Story, Jr.
Edward Stanley Szurkowski
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.