Granted Patent
Utility
US 5,263,111 · App. 07/841,956
Optical waveguide structures and formation methods
Inventors:
James C. Nurse, John P. Arrington
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Feb 26, 1992
Inventors
James C. Nurse
John P. Arrington
Assignee (at issue)
Raychem Limited
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.