Granted Patent
Utility
US 4,705,045 · App. 06/832,763
Non-contact type tonometer
Inventor:
Shinichi Nishimura
Patented Case
View Patent ↗
Granted: Nov 10, 1987
Filed: Feb 25, 1986
Inventor
Shinichi Nishimura
Assignee (at issue)
Tokyo Kogaku Kikai Kabushiki Kaisha
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.