Granted Patent
Utility
US 5,582,368 · App. 08/376,507
Reaction wheel speed observer system
Inventor:
John B. Stetson, Jr.
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: Jan 23, 1995
Inventor
John B. Stetson, Jr.
Assignee (at issue)
LOCKHEED MARTIN 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.