Granted Patent
Utility
US 6,782,148 · App. 10/098,229
Modifying birefringence in optical fibers
Inventors:
Benjamin John Eggleton, Charles Kerbage
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Mar 15, 2002
Inventors
Benjamin John Eggleton
Charles Kerbage
Assignee (at issue)
Fitel USA Corp.
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.