Granted Patent
Utility
US 5,313,212 · App. 07/964,181
Track filter bias estimation
Inventor:
George J. Ruzicka
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: Oct 19, 1992
Inventor
George J. Ruzicka
Assignee (at issue)
Hughes Aircraft Company
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.