Granted Patent
Utility
US 5,337,382 · App. 08/048,322
Article comprising an optical waveguide with in-line refractive index grating
Inventor:
Victor Mizrahi
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Apr 22, 1993
Inventor
Victor Mizrahi
Assignee (at issue)
AT&T Bell Laboratories
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.