A written return of all instruments, articles, or things seized shall be made without unnecessary delay before the judicial officer named in the warrant or before any court of competent jurisdiction. An inventory of any instruments, articles, or things seized shall be filed with the return and signed under oath by the officer executing the warrant. The judicial officer or court shall, upon request, deliver a copy of the inventory to the persons from whom or from whose premises the instruments, articles, or things were taken and to the applicant for the warrant.