Granted Patent
Utility
US 6,539,150 · App. 09/736,087
Segmented waveguide flattening the passband of a phasar
Inventors:
Harm Van Weerden, Frederik Marcel Van Der Vliet
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Dec 13, 2000
Inventors
Harm Van Weerden
Frederik Marcel Van Der Vliet
Assignee (at issue)
Alcatel Optronics UK Limited
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.