I think I am right that Dan Inosanto's original training in MA was as a Judoka before he met up with BL,

Good question. Many of the martial artists of his era studied judo to some extent. Dan was black belt in AKK under Ed Parker, as was Larry Hartsell.
"In case you ever wondered what it's like to be knocked out, it's like waking up from a nightmare only to discover it wasn't a dream." -Forrest Griffin