Granted Patent
Utility
US 6,795,599 · App. 10/128,847
Differential fiber optical sensor with interference energy analyzer
Inventors:
Vasilii V. Spirin, Mikhail G. Shlyagin, Eric Udd
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Apr 24, 2002
Inventors
Vasilii V. Spirin
Mikhail G. Shlyagin
Eric Udd
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.