IP Library › Granted Patent US 5,947,421
Granted Patent Utility
US 5,947,421 · App. 08/890,477

Electrostatic propulsion systems and methods

Inventors: John R. Beattie, Philip J. Goswitz
Patented Case View Patent ↗
Granted: Sep 7, 1999 Filed: Jul 9, 1997
Inventors
John R. Beattie
Philip J. Goswitz

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Quick Facts
Patent No.
US 5,947,421
App. No.
08/890,477
Filed
1997-07-09
Granted
1999-09-07
Kind
A