Granted Patent
Utility
US 6,825,456 · App. 10/060,641
Signal processing for object detection system
Inventors:
George Chadwick, Jerry Hausner
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Jan 29, 2002
Inventors
George Chadwick
Jerry Hausner
Assignee (at issue)
Safe Zone Systems, Inc.
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.