Granted Patent
Utility
US 5,352,947 · App. 07/745,983
Spindle motor assembly for disc drives
Inventor:
Donald J. MacLeod
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Aug 6, 1991
Inventor
Donald J. MacLeod
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.