Granted Patent
Utility
US 5,933,554 · App. 08/875,714
Compact optical-optical switches and wavelength converters by means of multimode interference mode converters
Inventors:
Juerg Leuthold, Pierre-Andre Besse, Maurus Bachmann
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Aug 27, 1997
Inventors
Juerg Leuthold
Pierre-Andre Besse
Maurus Bachmann
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.