Granted Patent
Utility
US 4,590,367 · App. 06/539,727
Arrangement for the expansion of the dynamic range of optical devices
Inventors:
Joseph Ari Ross, Richard Schmidt
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Oct 6, 1983
Inventors
Joseph Ari Ross
Richard Schmidt
Assignee (at issue)
Robotic Vision Systems, Inc.
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.