Griffiths waxaa loo doortay sida Dimuqraadiyiinta ee Michigan's 17th congressional district ee 84th Congress waxaana markii dambe dib loo doortay sagaalkii Kongarees ee soo socda, isagoo ka shaqeynayay Janaayo 3, 1955 ilaa Diseembar 31, 1974 ee Aqalka Mareykanka. Waxay ka qayb gashay shirweynihii xisbiga Dimuqraadiga ee 1956 iyo 1968
Waxaad Ma aysan noqon musharax dib loogu doorto Kongareeska 94aad ee 1974.