Granted Patent
Utility
US 6,028,973 · App. 08/934,447
Arrangement of two integrated optical waveguides on the surface of a substrate
Inventors:
Meinrad Schienle, Matthias Heinbach, Bruno Acklin, Gustav Mueller
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Sep 19, 1997
Inventors
Meinrad Schienle
Matthias Heinbach
Bruno Acklin
Gustav Mueller
Assignee (at issue)
Siemens Aktiengesellschaft
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.