Those specific monster movies are really only notable anymore for the influence that they've had

Agreed, and while the Wolfman hasn't had the same impace as dracula, he'd had more impact than the mummy at least before the Brendan Fraiser films. And even before the Brendan Fraiser films, it would have been weird if somone said "What the fuck is the mummy?" You'd point to scooby Doo and go "Seriously?"