Granted Patent
Utility
US 4,752,108 · App. 06/823,890
Integrated optical lens/coupler
Inventor:
Theodor Vollmer
Patented Case
View Patent ↗
Granted: Jun 21, 1988
Filed: Jan 29, 1986
Inventor
Theodor Vollmer
Assignee (at issue)
Alcatel N.V.
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.