Granted Patent
Utility
US 5,990,786 · App. 08/753,529
Advanced method of indicating incoming threat level to an electronically secured vehicle and apparatus therefor
Inventors:
Darrell E. Issa, Jerry W. Birchfield
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Nov 26, 1996
Inventors
Darrell E. Issa
Jerry W. Birchfield
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.