Granted Patent
Utility
US 5,111,525 · App. 07/597,126
Split-core fiber optic waveguide and sensor
Inventor:
Edward Hartouni
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Oct 15, 1990
Inventor
Edward Hartouni
Assignee (at issue)
General Dynamics Corporation
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.