Granted Patent
Utility
US 6,482,575 · App. 09/826,902
Method of preparing barrier rib master pattern for barrier rib transfer and method of forming barrier ribs
Inventors:
Akira Tokai, Osamu Toyoda, Keiichi Betsui
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Apr 6, 2001
Inventors
Akira Tokai
Osamu Toyoda
Keiichi Betsui
Assignee (at issue)
Fujitsu Limited
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.