DTR Mfg. is credited by Time magazine with one of the One Hundred Great Things. Ermal Fraze founded DRT Mfg. in 1949 and in 1963 invented the removable pull-tab opener for cans. Continental Can created a nonremovable tab 16 years later. The company provides custom machining, contract machining, precision replacement parts and tooling, die manufacturing and medical implants and instruments to clients worldwide. DRT Mfg. has more than 200 machine tools at its plants in Ohio, South Carolina and Germany.