Bill Sikes, The Associated PressA modernized handicap sign is affixed to a door at a business.A gubernatorial appointee who chairs the Colorado Developmental Disabilities Council has filed dozens of lawsuits against small businesses over the past two months claiming they violate federal disability laws. The 64 lawsuits filed so far by Mellisa Umphenour of Arvada are nearly identical in content and scope to scores of others filed in U.S.