Granted Patent
Utility
US 5,946,432 · App. 08/981,169
Periodic mach-zehnder optical filters
Inventors:
Donald B. Keck, William James Miller, Robert Adam Modavis, Daniel Aloysius Nolan
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Dec 11, 1997
Inventors
Donald B. Keck
William James Miller
Robert Adam Modavis
Daniel Aloysius Nolan
Assignee (at issue)
CORNING INCORPORATED
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.