Granted Patent
Utility
US 5,369,722 · App. 07/946,072
Optical inorganic waveguide with a substantially planar organic substrate
Inventors:
Martin Heming, Roland Hochhaus, Ralf Kersten, Dieter Krause, Jurgen Otto, Volker Paquet, Johannes Segner, Christof Fattinger
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Sep 18, 1992
Inventors
Martin Heming
Roland Hochhaus
Ralf Kersten
Dieter Krause
Jurgen Otto
Volker Paquet
Johannes Segner
Christof Fattinger
Assignees (at issue)
Schott Glaswerke
Hoffmann-La Roche, A.G.
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.