Granted Patent
Utility
US 6,375,815 · App. 09/788,060
Cylindrical magnetron target and apparatus for affixing the target to a rotatable spindle assembly
Inventors:
David Lynn, Melvin Clarkson
Patented Case
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Granted: Apr 23, 2002
Filed: Feb 17, 2001
Inventors
David Lynn
Melvin Clarkson
Assignee (at issue)
David Mark Lynn
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.