Granted Patent
Utility
US 4,524,397 · App. 06/467,126
Head positioning system for a disc data store
Inventors:
Brian D. Chalmers, David Ruxton, Kenneth L. Miller
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Jan 27, 1983
Inventors
Brian D. Chalmers
David Ruxton
Kenneth L. Miller
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.