From FourthAmendment.com: there is no Fourth Amendment or state right in Ohio to be presented with a search warrant at the time the search starts:
There is no federal or constitutional right to be presented with a search warrant at the time the search begins. Here, the officers who obtained the warrant called ahead to the searching officers to say they had it. There was also probable cause and nexus to the premises. State v. Quinones, 2009 Ohio 2718, 2009 Ohio App. LEXIS 2264 (8th Dist. June 11, 2009).