Granted Patent
Utility
US 4,823,447 · App. 07/230,437
Pull tab attachment for slide fastener slider
Inventor:
Shunji Akashi
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Aug 10, 1988
Inventor
Shunji Akashi
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.