I think Babe Cranfield toured with Willie Hoppe as a pool/carom combo, but Hoppe would have been the star. Cranfield reportedly had a 420 in an exhibition on a 5x10, but probably not on that tour.
Irving Crane may have been touring for Brunswick when he ran his 309. From Wikipedia:
In February 1939, at age 26, Crane ran 150 balls and out against his opponent in an exhibition straight pool match on a difficult 5' by 10' table in Layton, Utah. While this was impressive in and of itself, at the crowd's urging, he continued his run, ultimately pocketing 309 consecutive setting an official record at the time.[8][10][11]