Granted Patent
Utility
US 5,060,839 · App. 07/468,358
Stroke adjustment apparatus for light projector of button setting machine
Inventor:
Fumio Seki
Patented Case
View Patent ↗
Granted: Oct 29, 1991
Filed: Jan 22, 1990
Inventor
Fumio Seki
Assignee (at issue)
Yoshida Kogyo 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.