Granted Patent
Utility
US 4,344,667 · App. 06/154,874
Integrated beam splitter and adjustable light intensity control adapter
Inventor:
Edward A. Wooff, Jr.
Patented Case
View Patent ↗
Granted: Aug 17, 1982
Filed: May 30, 1980
Inventor
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.