From their Wiki and a quick & dirty Google search, seems like they rebranded to add the word Hospitality after buying two seafood chains in 2008, but they sold one of them in 2014.
"In 2014 the company announced the resale of its Michell's brand to concentrate on its Ruth's Chris Steak House chain.[2]"
So they might have some lingering other seafood brand but it's basically the Ruth's Chris company.
Man. I know in some places Ruth's Chris is the best you can get, but in a lot of metro areas, it's still bumping despite being a shitty bootleg version of any number of proper porterhouse steakhouses.