Granted Patent
Utility
US 6,657,933 · App. 09/910,464
Method and apparatus for reading and writing a multilevel signal from an optical disc
Inventors:
Terrence L. Wong, John Fan, David Lee, Yi Ling, Yung-Cheng Lo, Steven W. McLaughlin, Laura L. McPheters, Richard L. Martin, Judith C. Powelson, Steven Russel Spielman, David Warland, Jonathan A. Zingman
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Jul 19, 2001
Inventors
Terrence L. Wong
John Fan
David Lee
Yi Ling
Yung-Cheng Lo
Steven W. McLaughlin
Laura L. McPheters
Richard L. Martin
Judith C. Powelson
Steven Russel Spielman
David Warland
Jonathan A. Zingman
Assignee (at issue)
Calimetrics, Inc.
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.