Granted Patent
Utility
US 5,895,344 · App. 08/707,644
Multi-layer structure roller and a method for producing the same
Inventors:
Kouzaburo Matsuzawa, Atsushi Fujii
Patented Case
View Patent ↗
Granted: Apr 20, 1999
Filed: Sep 5, 1996
Inventors
Kouzaburo Matsuzawa
Atsushi Fujii
Assignee (at issue)
Idemitsu Petrochemical 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.