Granted Patent
Utility
US 4,588,265 · App. 06/447,932
Telecentric rear converter
Inventor:
Tomowaki Takahashi
Patented Case
View Patent ↗
Granted: May 13, 1986
Filed: Dec 6, 1982
Inventor
Tomowaki Takahashi
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.