Granted Patent
Utility
US 4,906,318 · App. 07/227,620
Device for applying auxiliary film to slide fastener chain
Inventor:
Kunio Miyazaki
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Aug 3, 1988
Inventor
Kunio Miyazaki
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.