Granted Patent
Utility
US 5,646,591 · App. 08/468,703
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: Jul 8, 1997
Filed: Jun 5, 1995
Inventors
Darrell E. Issa
Jerry W. Birchfield
Assignee (at issue)
DETECTOR ELECTRONICS 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.