Granted Patent
Utility
US 5,359,372 · App. 08/021,463
Contact lens for intraocular observation
Inventors:
Hideki Kida, Shinji Ishiguro, Toshiharu Morino
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Feb 23, 1993
Inventors
Hideki Kida
Shinji Ishiguro
Toshiharu Morino
Assignee (at issue)
Tomey 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.