Granted Patent
Utility
US 4,757,192 · App. 07/054,641
Extended dynamic range optical receiver and signal amplifier apparatus
Inventor:
Christian W. Oltmann
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: May 27, 1987
Inventor
Christian W. Oltmann
Assignee (at issue)
Rockwell International Corporation
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.