Granted Patent
Utility
US 4,338,706 · App. 06/129,072
Adjustable fastener
Inventor:
Tsunetaka Aoki
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Mar 10, 1980
Inventor
Tsunetaka Aoki
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.