Granted Patent
Utility
US 6,462,899 · App. 09/477,558
Initialization and calibration of a recording system track following servo
Inventors:
Alex Chliwnyj, John J. Gniewek
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Jan 4, 2000
Inventors
Alex Chliwnyj
John J. Gniewek
Assignee (at issue)
International Business Machines 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.