Granted Patent
Utility
US 5,168,459 · App. 07/883,895
Adaptive filter using continuous cross-correlation
Inventor:
Donald R. Hiller
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: May 12, 1992
Inventor
Donald R. Hiller
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.