Granted Patent
Utility
US 6,357,095 · App. 09/360,477
Hard disk burnishing head
Inventors:
Shanlin Duan, Wei-Ming Lee, Wai Cheung Leung
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Jul 23, 1999
Inventors
Shanlin Duan
Wei-Ming Lee
Wai Cheung Leung
Assignee (at issue)
International Business Machines 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.