Granted Patent
Utility
US 5,881,197 · App. 08/810,128
Optical fibre and optical fibre device
Inventors:
Liang Dong, Laurence Reekie, David Neil Payne
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Feb 25, 1997
Inventors
Liang Dong
Laurence Reekie
David Neil Payne
Assignee (at issue)
University of Southampton
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.