Granted Patent
Utility
US 4,646,193 · App. 06/703,859
Disk cartridge assembly
Inventor:
Louis G. Gitzendanner
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Feb 21, 1985
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.