John Beiswenger is a product research engineer and he writes from his experience and expertise.   Mr. Beiswenger is named on over 30 U.S. and foreign utility patents, the most recent including color LCD touch display technology, touch-screen alarm clock electronics, fingerprint scanning technology, surgical instrument sterilization, bioterrorism detection and predictive health monitoring technology. He is also named on two current U.S. patent applications.   A native of Milwaukee, Wisconsin, he studied at Marquette University School of Engineering and at the University of Wisconsin, Whitewater.   Author's history in his own words