Granted Patent
Utility
US 6,487,040 · App. 09/448,459
Thin film magnetic head with self-aligned pole tips
Inventors:
Yun-Lin Hsiao, Lien-Chang Wang, Durga I. Ravipati, Hugh C. Hiner, William D. Jensen
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Nov 24, 1999
Inventors
Yun-Lin Hsiao
Lien-Chang Wang
Durga I. Ravipati
Hugh C. Hiner
William D. Jensen
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.