Granted Patent
Utility
US 5,535,038 · App. 08/261,566
Apparatus and method for determining extinction ratio of digital laser transmitters
Inventor:
Stephen W. Hinch
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Jun 17, 1994
Inventor
Stephen W. Hinch
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.