Granted Patent
Utility
US 6,238,780 · App. 09/161,278
Magnetic recording medium comprising multilayered carbon-containing protective overcoats
Inventors:
Zhong Stella Wu, Rajiv Yadav Ranjan
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Sep 28, 1998
Inventors
Zhong Stella Wu
Rajiv Yadav Ranjan
Assignee (at issue)
Seagate Technology LLC
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.