Granted Patent
Utility
US 5,249,090 · App. 07/806,972
Disk store with device for fixing the disk pack on its hub such that it can be removed
Inventor:
Wolfgang Fehse
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Dec 12, 1991
Inventor
Wolfgang Fehse
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.