Granted Patent
Utility
US 6,156,171 · App. 08/045,989
Sputtering magnetron
Inventors:
Dennis R. Hollars, Delbert F. Waltrip, Robert B. Zubeck, Josef Bonigut, Robert M. Smith, Gary L. Payne
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Apr 9, 1993
Inventors
Dennis R. Hollars
Delbert F. Waltrip
Robert B. Zubeck
Josef Bonigut
Robert M. Smith
Gary L. Payne
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.