Granted Patent
Utility
US 5,337,376 · App. 08/049,461
Chemically sensitive fiber optic cable
Inventors:
Robert G. Ravetti, Thomas K. Dougherty
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Apr 19, 1993
Inventors
Robert G. Ravetti
Thomas K. Dougherty
Assignee (at issue)
Hughes Aircraft Company
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.