John Mayall and the Bluesbreakers may not have technically been a British Invasion band, but they were sure the incubator for many a British Band to follow:

Clapton-Bruce-Baker.....Cream

Green-McVie-Fleetwood...Fleetwood Mac

Mick Taylor...Rolling Stones

Aynsley Dunbar ...Zappa, Jeff Starship, Journey, etc

Dick Heckstall Smith...Graham Bond, Blues Inc. etc

Etc etc