Lances for taking samples of molten metal

Land based unit for seismic data acquisition

Land marking device

Land navigation system giving real-time display of vehicular...

Land seismic source method and apparatus

Land seismic source method and apparatus

Land surveying apparatus and method of use thereof

Land vehicle navigation device comprising a filter unit for...

Land-marking device and a method of land surveying and marking

Landing assistance system using navigation satellites

Landing system with variable angular elevation glide path

Landmark navigation for vehicles using blinking optical beacons

Lane tracking system and method

Lanthanide-based substrates and methods for determining...

Lanthanum and gadolinium oxyhalide luminescent materials...

Laplace gravity gradiometer

Large array of radio frequency id transponders deployed in...

Large arrays of discrete ionizing radiation detectors...

Large scale integrated circuit with external integral access...

Large scale wdm/tdm sensor array employing erbium-doped...