Complex sentence: After a short time Sanderlin left Minnis and Williams, P.A., and formed his own law practice with attorneys Frank White and Frank Peterman, known as White, Peterman and Sanderlin, P.A, located on 22nd Street South in St. Petersburg, Florida.
Split into simpler sentences: After a short time together Sanderlin left Minnis and Williams, P.A. opened up his own law practice alongside attorneys Frank White and, Frank Peterman. The three together made up White, Peterman and Sanderkin, P.A located on 22nd Street South in St. Petersburg, Florida.