Granted Patent
Utility
US 4,860,135 · App. 07/207,080
Thermal compensation mechanism for magnetic disk drive data storage units
Inventor:
Michael A. Cain
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Jun 16, 1988
Inventor
Michael A. Cain
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.