Granted Patent
Utility
US 5,572,350 · App. 08/221,206
Method and apparatus to compensate for differential attenuation in an optical time slot interchanger
Inventor:
Ronald A. Spanke
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: Mar 31, 1994
Inventor
Ronald A. Spanke
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.