A return of all instruments, articles or things seized shall be made without unnecessary delay before the judge issuing the warrant or before any judge 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 or person executing the warrant. The judge shall upon request deliver a copy of the inventory to the person from whom or from whose premises the instruments, articles or things were taken and to the applicant for the warrant.