Granted Patent
Utility
US 4,744,133 · App. 07/024,531
Fluid-tight slide fastener stringer
Inventors:
Noritaka Tsubata, Koichi Tanikawa, Kozo Watanabe
Patented Case
View Patent ↗
Granted: May 17, 1988
Filed: Mar 11, 1987
Inventors
Noritaka Tsubata
Koichi Tanikawa
Kozo Watanabe
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.