Granted Patent
Utility
US 4,633,350 · App. 06/571,389
Information storage system with readily removable high capacity disk drive unit
Inventor:
George E. Hanson
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Jan 17, 1984
Inventor
George E. Hanson
Assignee (at issue)
Norand Corporation
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.