Granted Patent
Utility
US 5,952,097 · App. 08/964,259
CoCrTa/Cocrptta bi-layer magnetic thin films
Inventor:
Bing Zhang
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Nov 4, 1997
Inventor
Bing Zhang
Assignee (at issue)
Seagate Technology LLC
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.