Granted Patent
Utility
US 4,562,500 · App. 06/497,873
Mechanism for latching magnetic disk memory head/arm assembly in parking zone
Inventor:
Perry A. Bygdnes
Patented Case
View Patent ↗
Granted: Dec 31, 1985
Filed: May 25, 1983
Inventor
Perry A. Bygdnes
Assignee (at issue)
Tandon Group Ltd.
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.