Granted Patent
Utility
US 5,452,168 · App. 08/280,577
Thin film magnetic heads with multiple yokes
Inventors:
Daniel A. Nepela, Shih-Cheng Cheng, Erich P. Valstyn, Edgar M. Williams, Peter G. Bischoff
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Jul 25, 1994
Inventors
Daniel A. Nepela
Shih-Cheng Cheng
Erich P. Valstyn
Edgar M. Williams
Peter G. Bischoff
Assignee (at issue)
Read Rite 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.