Granted Patent
Utility
US 4,839,963 · App. 07/227,636
Slider handling apparatus
Inventors:
Hideki Akiyama, Toyoo Morita
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Aug 3, 1988
Inventors
Hideki Akiyama
Toyoo Morita
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.