Granted Patent
Utility
US 6,507,142 · App. 09/625,598
Plume shield for ion accelerators
Inventors:
Dennis L. Tilley, David Q. King
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jul 26, 2000
Inventors
Dennis L. Tilley
David Q. King
Assignee (at issue)
AEROJET-GENERAL CORPORATION
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.