Granted Patent
Utility
US 5,375,302 · App. 08/153,106
Snap button assembly
Inventor:
Yoshio Takamura
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Nov 17, 1993
Inventor
Yoshio Takamura
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.