Granted Patent
Utility
US 5,335,404 · App. 08/111,415
Method of forming space portions in slide fastener chain
Inventors:
Masahide Ozaki, Makoto Yamazaki, Kenji Dono
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Aug 25, 1993
Inventors
Masahide Ozaki
Makoto Yamazaki
Kenji Dono
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.