Granted Patent
Utility
US 4,419,701 · App. 06/304,209
Data transducer position control system for rotating disk data storage equipment
Inventors:
Joel N. Harrison, Donald V. Daniels, Bruce R. Peterson
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Sep 21, 1981
Inventors
Joel N. Harrison
Donald V. Daniels
Bruce R. Peterson
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.