When was the LP invented? November 17, 2011 by Pamela Landy A Columbia Records (CBS) team led by Dr. Peter Goldmark invented the long-playing 33 1/3 r.p.m. record in 1948 as a successor to the 78 r.p.m. record. To compete with CBS, RCA came up with the handy 45 r.p.m. record in 1949. Related PostsWho invented the term Fifth Column?When was the chair invented?Who invented the toothbrush?Who invented shrapnel?Who invented the rubber band?Who invented the brassiere?