Granted Patent
Utility
US 4,516,304 · App. 06/489,124
Method and apparatus for applying reinforcing pieces to slide fastener chain
Inventors:
Hiroshi Yoshida, Shunji Akashi, Kazuki Kuse
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: Apr 27, 1983
Inventors
Hiroshi Yoshida
Shunji Akashi
Kazuki Kuse
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.