Granted Patent
Utility
US 5,864,644 · App. 08/897,195
Tapered fiber bundles for coupling light into and out of cladding-pumped fiber devices
Inventors:
David J. DiGiovanni, Andrew John Stentz
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Jul 21, 1997
Inventors
David J. DiGiovanni
Andrew John Stentz
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.