Granted Patent
Utility
US 4,979,450 · App. 07/374,743
Method and apparatus for sewing fly pieces to a slide fastener chain
Inventors:
Chet Dudek, James Hutcherson, Kiichirou Ishikawa, Yasuhiro Fukumoto, Toshiaki Sawada
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Jul 3, 1989
Inventors
Chet Dudek
James Hutcherson
Kiichirou Ishikawa
Yasuhiro Fukumoto
Toshiaki Sawada
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.