Jim and Larry, in 1999 I purchased a Collectables two-albums-on-one-CD of Pete Rugolo, named after the two albums: Introducing Pete Rugolo/Adventures in Rhythm. COL-5893 (SONY #A-28821)
The liner notes say that the first album was recorded in 1954. All but two of the 24 tracks are less than 3:10, so I can imagine some 78s being issued.
The second track of the first album is entitled Early Stan, written by Rugolo. I can't say whether the Stan was Kenton or Getz.
I didn't know that Rugolo wrote the theme to Leave It to Beaver, but I do recall (if I'm not mistaken) that he did the music for Run For Your Life, the Ben Gazzara show. "I'm dying, Alex!!!!!"