Granted Patent
Utility
US 6,690,510 · App. 10/201,067
Microscope
Inventor:
Masato Kanao
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Jul 22, 2002
Inventor
Masato Kanao
Assignee (at issue)
Olympus Optical Co., Ltd.
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.