The thefts reportedly took place on February 15th, 2013 at the cemetery, located on English Creek Avenue.
Investigators believe the grates were taken to sell as scrap metal, however they may have value to an antique dealer.
Anyone with information regarding the theft is urged to contact police at 609-926-4051. Tipster can also contact Atlantic County Crimestoppers at 609-652-1234 or 1-800-658-8477.