Granted Patent
Utility
US 5,627,927 · App. 08/370,948
Fiber with multiple overlapping gratings
Inventor:
Eric Udd
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: Jan 10, 1995
Inventor
Eric Udd
Assignee (at issue)
McDonnell Douglas Aerospace West
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.