Robert Mienhardt 89, of Hasbrouck Heights passed away on Sunday, April 11, 2021. Born in Queens, NY to the late Karl and Frieda Mienhardt. Robert was a Marine Corps veteran serving from 1951-1953. Before retiring, he was a jeweler and owned Robert Mienhardt & Daughters, Inc. in Garfield. Devoted father of Nancy Mienhardt, Susan Meaney, Lise Morris and her husband Kevin and Christa Walls and her husband Bradley. Dear brother of the late Carl Mienhardt. Loving grandfather of Ryan Meaney, Caitlin Courtney and her husband Michael, Meagan Walls and Cailey Walls. Cherished great grandfather of Conor Courtney. Visitation Thursday, April 15th from 2-4 & 6-8 PM at Costa Memorial Home Boulevard and Central Ave. Hasbrouck Heights. Private cremation will follow.