Granted Patent
Utility
US 6,430,125 · App. 09/037,471
Methods and apparatus for detecting and correcting magnification error in a multi-beam optical disk drive
Inventors:
Amir Alon, Jacob Finkelstein
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Mar 10, 1998
Inventors
Amir Alon
Jacob Finkelstein
Assignee (at issue)
Zen Research (Ireland), Ltd.
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.