Granted Patent
Utility
US 4,620,248 · App. 06/646,537
Apparatus for controlling humidity in a disk drive
Inventor:
Louis G. Gitzendanner
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Sep 4, 1984
Inventor
Louis G. Gitzendanner
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.