Granted Patent
Utility
US 6,533,722 · App. 09/726,342
Electronic endoscope having reduced diameter
Inventor:
Masaaki Nakashima
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Dec 1, 2000
Inventor
Masaaki Nakashima
Assignee (at issue)
Pentax 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.