Granted Patent
Utility
US 6,204,989 · App. 09/075,781
Controlling a media master writing machine to produce curvilinear servo sector patterns
Inventors:
Stephen J. Hrinya, Karl A. Belser
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: May 11, 1998
Inventors
Stephen J. Hrinya
Karl A. Belser
Assignee (at issue)
Seagate Technology LLC
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.