Granted Patent
Utility
US 6,181,585 · App. 09/351,738
Multiple output power supply circuit for an ion engine with shared upper inverter
Inventors:
Gilbert I. Cardwell, Jr., Thomas K. Phelps
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Jul 12, 1999
Inventors
Gilbert I. Cardwell, Jr.
Thomas K. Phelps
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.