Granted Patent
Utility
US 6,526,639 · App. 09/944,226
Method for burnishing hard disks
Inventors:
Shanlin Duan, Wei-Ming Lee, Yu-Nan Lo
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Aug 30, 2001
Inventors
Shanlin Duan
Wei-Ming Lee
Yu-Nan Lo
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.