JROOF - Jericho Energy Ventures' subsidiary clinches new patent for DCC hydrogen boiler September, 12 2023 06:46 AM Jericho Oil Corp 2023-09-12 06:46:26 ET More on Jericho Energy Ventures Inc. Historical earnings data for Jericho Energy Ventures Inc. Financial information for Jericho Energy Ventures Inc. For further details see: Jericho Energy Ventures' subsidiary clinches new patent for DCC hydrogen boiler