Granted Patent
Utility
US 6,256,178 · App. 09/280,423
Biasing for tunnel junction head
Inventor:
Hardayal Singh Gill
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Mar 29, 1999
Inventor
Hardayal Singh Gill
Assignee (at issue)
International Business Machines 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.