Granted Patent
Utility
US 4,875,118 · App. 07/176,968
Reducing harmful runout in a rigid magnetic disk through use of shims
Inventor:
Farid Kaymaram
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Apr 4, 1988
Inventor
Farid Kaymaram
Assignee (at issue)
Magnetic Peripherals, 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.