Granted Patent
Utility
US 6,496,621 · App. 09/614,184
Fiber coupler system and associated methods for reducing back reflections
Inventors:
Alan D. Kathman, Charles S. Koehler, William Hudson Welch, Eric G. Johnson, Robert D. Tekolste
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Jul 11, 2000
Inventors
Alan D. Kathman
Charles S. Koehler
William Hudson Welch
Eric G. Johnson
Robert D. Tekolste
Assignee (at issue)
DigitalOptics Corporation
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.