Granted Patent
Utility
US 4,698,881 · App. 06/827,095
Socket element assembly for snap fasteners
Inventor:
Hirokazu Watanabe
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Feb 7, 1986
Inventor
Hirokazu 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.