Granted Patent
Utility
US 5,539,272 · App. 08/541,399
Rotating floating magnetron dark-space shield
Inventors:
Clifford L. Taylor, Daniel Theodore Crowley
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Oct 10, 1995
Inventors
Clifford L. Taylor
Daniel Theodore Crowley
Assignee (at issue)
Viratec Thin Films, 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.