Granted Patent
Utility
US 5,969,609 · App. 08/765,549
Counter-current RF field attenuator using loop tubes
Inventor:
Graham Alexander Munro Murdoch
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Jan 17, 1997
Inventor
Graham Alexander Munro Murdoch
Assignee (at issue)
Magellan Corporation (Australia) Pty Ltd
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.