Granted Patent
Utility
US 4,864,443 · App. 07/115,716
Disc clamping device
Inventor:
Miles L. Peterson
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Nov 2, 1987
Inventor
Miles L. Peterson
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.