Robert Yates Yates, Robert, 53, Welder. Died Monday, July 8, 2019 in Tulsa, Oklahoma. Celebration of Life Services is scheduled for Wednesday, July 17, 2019, 7:00 p.m., Pier 51 Marina, Keystone Lake. Mobley-Groesbeck Funeral Service, Sand Springs, OK 918-245-6644