Granted Patent
Utility
US 4,723,723 · App. 07/031,127
Case for surface-type fastener
Inventors:
Sadaho Asahi, Yasuo Yamada, Hiroo Minami
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Mar 30, 1987
Inventors
Sadaho Asahi
Yasuo Yamada
Hiroo Minami
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.