IP Library › Granted Patent US 4,847,558
Granted Patent Utility
US 4,847,558 · App. 07/237,677

Non-destructive method and apparatus using DC erase field for magnetic measurement of recording disc

Inventors: Robert D. Fisher, Jason L. Pressesky
Patented Case View Patent ↗
Granted: Jul 11, 1989 Filed: Aug 25, 1988
Inventors
Robert D. Fisher
Jason L. Pressesky
Assignee (at issue)
Seagate Technology LLC

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Quick Facts
Patent No.
US 4,847,558
App. No.
07/237,677
Filed
1988-08-25
Granted
1989-07-11
Kind
A