S. 2144 · 111th Congress A bill to extend the duty suspension on Titanium Mononitride. StageIn committee SponsorLamar Alexander Introduced2009-10-29 Latest action2009-10-29 · Introduced in Senate Follow Summary Text Subjects Cosponsors (1) Votes (0) Actions Cosponsors (1) Bob Corker Former member Senate TN Republican