Walter Meyer Dipl. Eng. B.B.M.Research and Development Engineering Executive Walter is a Scientific Instrument Maker with an Engineering Diploma from Maschinenbau Schule Essen in Germany. He has worked for Draeger Medical Essen in Germany and Sydney, Amoco and Dresser, an American geophysical company, where he designed the first portable 1500 feet borehole well logger in the world. He has established and run businesses designing, installing and maintaining systems for oil refineries and selling and installing security alarms for industrial companies. In 1997 he designed the first portable, wireless-operated intruder detection device triggered by a built-in motion sensor and remotely controlled by a hand transmitter.