Granted Patent
Utility
US 6,144,780 · App. 09/166,830
Polymer waveguide switch and method
Inventors:
Dietrich Marcuse, Herman M. Presby
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Oct 5, 1998
Inventors
Dietrich Marcuse
Herman M. Presby
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.