Granted Patent
Utility
US 5,915,063 · App. 08/880,393
Variable optical attenuator
Inventors:
Paul Colbourne, Jasvinder Obhi, Neil Teitelbaum
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Jun 23, 1997
Inventors
Paul Colbourne
Jasvinder Obhi
Neil Teitelbaum
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.