Granted Patent
Utility
US 5,397,891 · App. 08/056,444
Sensor systems employing optical fiber gratings
Inventors:
Eric Udd, Timothy E. Clark
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: May 3, 1993
Inventors
Eric Udd
Timothy E. Clark
Assignee (at issue)
McDonnell Douglas 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.