Granted Patent
Utility
US 4,861,396 · App. 07/089,111
Aluminum alloy material plate for printing
Inventors:
Mamoru Matsuo, Yutaka Okuda, Kazushige Takizawa, Hirokazu Sakaki
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Aug 25, 1987
Inventors
Mamoru Matsuo
Yutaka Okuda
Kazushige Takizawa
Hirokazu Sakaki
Assignees (at issue)
Fujitsu Limited
Sky Aluminium Co., Ltd.
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.