Granted Patent
Utility
US 6,034,835 · App. 08/910,972
Multiple servo track types using multiple frequency servo patterns
Inventor:
Louis J. Serrano
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Aug 7, 1997
Inventor
Louis J. Serrano
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.