Granted Patent
Utility
US 6,791,673 · App. 10/249,417
Ground surveillance system
Inventors:
Robert E. Malm, Gregory E. Johnston
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Apr 7, 2003
Inventors
Robert E. Malm
Gregory E. Johnston
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.