Granted Patent
Utility
US 4,985,969 · App. 07/464,714
Slider for slide fasteners
Inventors:
Yasuharu Terada, Susumu Ishii
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Jan 12, 1990
Inventors
Yasuharu Terada
Susumu Ishii
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.