Granted Patent
Utility
US 5,781,087 · App. 08/580,400
Low cost rectangular waveguide rotary joint having low friction spacer system
Inventors:
William W. Milroy, Shane Hunter
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Dec 27, 1995
Inventors
William W. Milroy
Shane Hunter
Assignee (at issue)
Raytheon Company
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.