Granted Patent
Utility
US 5,826,512 · App. 08/659,008
Aluminum planographic printing plate with convexly curved corner
Inventors:
Kenji Niegawa, Shinichi Bunya, Naohide Ogita
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Jun 4, 1996
Inventors
Kenji Niegawa
Shinichi Bunya
Naohide Ogita
Assignee (at issue)
MITSUBISHI CHEMICAL CORPORATION
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.