Granted Patent
Utility
US 5,526,211 · App. 08/472,598
Banded magnetic recording disk with equally-angularly-spaced servo sector
Inventor:
Steven R. Hetzler
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Jun 7, 1995
Inventor
Steven R. Hetzler
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.