Granted Patent
Utility
US 6,749,690 · App. 10/016,451
Aligning mask segments to provide an assembled mask for producing OLED devices
Inventor:
Thomas K. Clark
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Dec 10, 2001
Inventor
Thomas K. Clark
Assignee (at issue)
EASTMAN KODAK COMPANY
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.