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| All Patents in class 241/209 | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 341,900 | May 18, 1886 | P.W. Gates | Stone Breaker and Ore Crusher | |
![]() | 525,443 | Sep. 04, 1894 | P.W. Gates, E.E. Hanna, C.L. Carman | Gyrating crusher | |
![]() | 616,659 | Dec. 27, 1898 | T.W. Capen, P.W. Gates | Rock or Ore Breaker | |
| 1,507,970 | Sep. 09, 1924 | A.A. Lazier | Ore Crusher | ||