Granted Patent
Utility
US 6,447,654 · App. 09/867,080
Single source sputtering of thioaluminate phosphor films
Inventor:
Alexander Kosyachkov
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: May 29, 2001
Inventor
Alexander Kosyachkov
Assignee (at issue)
Ifire Technology Corp.
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.