Granted Patent
Utility
US 5,521,772 · App. 08/159,878
Disk drive with accerleration rate sensing
Inventors:
Chih-Kung Lee, Archibald C. Munce, Jr., Timothy C. O'Sullivan
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Nov 30, 1993
Inventors
Chih-Kung Lee
Archibald C. Munce, Jr.
Timothy C. O'Sullivan
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.