Granted Patent
Utility
US 6,434,305 · App. 09/511,559
Optical transmission element, process as well as device for its manufacture
Inventors:
Gregory A. Lochkovic, Siegfried Unterberger, Frederic Zapf
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Feb 23, 2000
Inventors
Gregory A. Lochkovic
Siegfried Unterberger
Frederic Zapf
Assignee (at issue)
Corning Cable Systems LLC
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.