Granted Patent
Utility
US 4,982,296 · App. 07/484,043
Head and disk assembly for fixed disk drive
Inventor:
David A. Brown
Patented Case
View Patent ↗
Granted: Jan 1, 1991
Filed: Feb 20, 1990
Inventor
David A. Brown
Assignee (at issue)
Quantum 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.