Granted Patent
Utility
US 4,369,818 · App. 06/197,227
Weft yarn feeder
Inventor:
Tadahiro Yoshida
Patented Case
View Patent ↗
Granted: Jan 25, 1983
Filed: Oct 15, 1980
Inventor
Tadahiro Yoshida
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.