Granted Patent
Utility
US 4,791,511 · App. 06/899,364
Disk cartridge with slide door engageable in either of two orientations
Inventor:
Marvin B. Davis
Patented Case
View Patent ↗
Granted: Dec 13, 1988
Filed: Aug 22, 1986
Inventor
Marvin B. Davis
Assignee (at issue)
Laser Magnetic Storage International Company
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.