Granted Patent
Utility
US 4,979,344 · App. 07/316,655
Fabricated stone panel unit and mounting structure thereof
Inventor:
Toshimasa Kusunoki
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Feb 28, 1989
Inventor
Toshimasa Kusunoki
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.