Published July 22, 2012, 12:13 AM
Orange-Whipping golfers into form: ND native’s product is a hot commodity in golf circles
GRAND FORKS — Jim Hackenberg fell short in his goal of becoming a touring pro on the PGA. But the Grand Forks Central High School graduate is making his niche in the sport — as an inventor rather than a player.By: Greg DeVillers, Forum Communications
