Granted Patent
Utility
US 4,841,393 · App. 07/116,044
Spindle motor for a disc drive
Inventors:
Donald J. MacLeod, Miles L. Peterson, Charles G. Nowark, Jr.
Patented Case
View Patent ↗
Granted: Jun 20, 1989
Filed: Nov 2, 1987
Inventors
Donald J. MacLeod
Miles L. Peterson
Charles G. Nowark, Jr.
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.