Like most inventions, Dr. Keith Beauchamp’s duck decoy motion spreader was born out of necessity. Beauchamp, a podiatrist by profession, is an avid duck hunter who hunts on a pond near his residence in Macon, Mo., about 150 miles northeast of Kansas City. He was looking for a way to simplify the deployment of hundreds of duck decoys he used to attract waterfowl. After trying different materials and concepts, he…