Granted Patent
Utility
US 4,914,645 · App. 07/147,690
Optical disk tracking and seeking systems and specific track formats using servo areas
Inventors:
Kurt W. Getreuer, Johannes J. Verboom, David L. Schell, David E. Lewis, Gregory Hofer, Kathleen M. Connelly, James C. McDonald, Pierre Robert Valère Sonneville, Cees van Nimwegen
Patented Case
View Patent ↗
Granted: Apr 3, 1990
Filed: Jan 25, 1988
Inventors
Kurt W. Getreuer
Johannes J. Verboom
David L. Schell
David E. Lewis
Gregory Hofer
Kathleen M. Connelly
James C. McDonald
Pierre Robert Valère Sonneville
Cees van Nimwegen
Assignee (at issue)
Laser Magnetic Storage International Company
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.