Granted Patent
Utility
US 5,612,995 · App. 08/575,791
Method for activating a lamp on analog customer premises equipment by a digital signal
Inventor:
John T. Corwith
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: Dec 22, 1995
Inventor
John T. Corwith
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.