Granted Patent
Utility
US 4,922,585 · App. 07/220,715
Light-reflective slide fastener
Inventors:
Takashi Suzuki, Isamu Kumano
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jul 11, 1988
Inventors
Takashi Suzuki
Isamu Kumano
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.