Granted Patent
Utility
US 6,571,038 · App. 09/516,295
Multimode interference coupler with tunable power splitting ratios and method of tuning
Inventors:
Charles H. Joyner, Juerg Leuthold
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Mar 1, 2000
Inventors
Charles H. Joyner
Juerg Leuthold
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.