Granted Patent
Utility
US 5,497,267 · App. 08/064,444
Video microscope
Inventors:
Seiji Ishikawa, Hajime Murakami
Patented Case
View Patent ↗
Granted: Mar 5, 1996
Filed: May 21, 1993
Inventors
Seiji Ishikawa
Hajime Murakami
Assignee (at issue)
MITSUBISHI CHEMICAL 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.