Granted Patent
Utility
US 4,549,348 · App. 06/658,160
Apparatus for securing bottom end stop to fastener chain
Inventor:
Yoshiyuki Toishi
Patented Case
View Patent ↗
Granted: Oct 29, 1985
Filed: Oct 5, 1984
Inventor
Yoshiyuki Toishi
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.