Granted Patent
Utility
US 5,617,278 · App. 08/413,071
Magnetic head structure with reduction of magnetic domain instability
Inventors:
Shih-Cheng Cheng, Hua-Ching Tong, William C. Cain
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Mar 20, 1995
Inventors
Shih-Cheng Cheng
Hua-Ching Tong
William C. Cain
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.