IP Library Granted Patent US 5,928,461
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,928,461
App. No.
08/857,368
Filed
1997-05-15
Granted
1999-07-27
Kind
A