Granted Patent
Utility
US 5,572,328 · App. 08/388,349
Optical detector including Bragg waveguide structure
Inventors:
Henning Fouckhardt, Thomas Delonge
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: Feb 14, 1995
Inventors
Henning Fouckhardt
Thomas Delonge
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.