Granted Patent
Utility
US 4,300,167 · App. 06/119,318
Automatic iris control system
Inventors:
Frederick A. Miller, Edward A. Wooff, Jr.
Patented Case
View Patent ↗
Granted: Nov 10, 1981
Filed: Feb 7, 1980
Inventors
Frederick A. Miller
Edward A. Wooff, Jr.
Assignee (at issue)
Circon 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.