Granted Patent
Utility
US 4,969,708 · App. 07/385,387
Fiberoptic endoscope
Inventor:
Dennis C. Leiner
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Jul 27, 1989
Inventor
Dennis C. Leiner
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.