Granted Patent
Utility
US 4,523,243 · App. 06/381,387
Magnetoresistive transducer using an independent recessed electromagnetic bias
Inventor:
Robert L. Billington
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: May 24, 1982
Inventor
Robert L. Billington
Assignee (at issue)
Storage Technology 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.