Granted Patent
Utility
US 4,247,200 · App. 05/971,437
Projection type lens meter
Inventors:
Masao Nohda, Kazuo Morohashi
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Dec 20, 1978
Inventors
Masao Nohda
Kazuo Morohashi
Assignee (at issue)
Nippon Kogaku K.K.
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.