Granted Patent
Utility
US 6,805,891 · App. 10/350,498
Recording media having protective overcoats of highly tetrahedral amorphous carbon and methods for their production
Inventors:
Veerasamy Vijayen, Manfred Weiler, Eric Li
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Jan 23, 2003
Inventors
Veerasamy Vijayen
Manfred Weiler
Eric Li
Assignee (at issue)
United Mobile 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.