Granted Patent
Utility
US 5,402,231 · App. 07/934,718
Distributed sagnac sensor systems
Inventor:
Eric Udd
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Aug 24, 1992
Inventor
Eric Udd
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.