Granted Patent
Utility
US 4,600,939 · App. 06/578,107
Focusable video camera for use with endoscopes
Inventors:
Erik Sluyter, Edward A. Wooff, Jr.
Patented Case
View Patent ↗
Granted: Jul 15, 1986
Filed: Feb 7, 1984
Inventors
Erik Sluyter
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.