Granted Patent
Utility
US 5,928,461 · App. 08/857,368
RF plasma source for cleaning spacecraft surfaces
Inventors:
David Kaufman, Weldon S. Williamson, John J. Vajo
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: May 15, 1997
Inventors
David Kaufman
Weldon S. Williamson
John J. Vajo
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.