Granted Patent
Utility
US 5,601,731 · App. 08/401,168
Process for the production of an optoelectronic component having a defined axial variation of the coupling coefficient and a defined axial distribution of the phase shift
Inventor:
Hartmut Hillmer
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Mar 9, 1995
Inventor
Hartmut Hillmer
Assignee (at issue)
Ant Nachrichtentechnik GmbH
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.