77676319
Feb 23, 2009
Nov 10, 2009
Portable detection and identification instruments using light sources and light detectors for detecting and identifying chemical and biological substances not for medical purposes, namely, a gas chromatography detection system; electronic device for tracking and locating individuals using dead reckoning devices, namely, gyroscopes, magnetic compass, altimeter, and accelerometers with software, and digital signal processor connectable to a global positioning system (GPS) receiver
Electrical and Scientific Apparatus