Granted Patent
Utility
US 4,597,847 · App. 06/658,738
Non-magnetic sputtering target
Inventor:
Donald R. Boys
Patented Case
View Patent ↗
Granted: Jul 1, 1986
Filed: Oct 9, 1984
Inventor
Donald R. Boys
Assignee (at issue)
IODEP, Inc.
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.