Granted Patent
Utility
US 6,741,428 · App. 09/823,743
Spindle motor having inner and outer ball bearing sets
Inventor:
Kamran Oveyssi
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Mar 30, 2001
Inventor
Kamran Oveyssi
Assignee (at issue)
WESTERN DIGITAL TECHNOLOGIES, INC.
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.