I would suggest only one correction …
… p(er) attorn(atum) suu(m)
(To explain the grammar, which I know you will appreciate, the possessive adjective suus normally agrees with the object that is possessed, which here is singular, not with the person/people doing the possessing.)
I think it is probably Miller (rather than myller), and that there is a descender on the M which just indicates a capital.