US1358302A - Crusher and shredding machine - Google Patents
US1358302A US34792819A US1358302A US 1358302 A US1358302 A US 1358302A US 34792819 A US34792819 A US 34792819A US 1358302 A US1358302 A US 1358302A Authority US United States Prior art keywords shredding rolls crusher crushing doctor Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.