Granted Patent
Utility
US 4,830,255 · App. 07/097,829
Fastener conveying apparatus for fastener assembling machine
Inventor:
Takeshi Arai
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Sep 17, 1987
Inventor
Takeshi Arai
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.