Page 10 of 12 subpoena to the witness alone satisfies Rule 45. See Cordius Trust v.. Kummetfeld, 1999 U.S. Dist. Lexis 19980, *5-*6 (S.D.N.Y.1999); Ultradent Products, Inc. v. Hayman, No. M8-85 RPP, 2002 WL 31119425, at *3 (S.D.N.Y. Sept. 24, 2002). Here, the means of service exceed those approved in those other cases