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| Patents for Charles H. Riches | |||||
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| Picture | Number | Date | Patentee | Title | |
 | CA-32,673 | Nov. 02, 1889 | E. Gurney, C. Levey, C.W. Peniston | Joint | |
 | 418,011 | Dec. 24, 1889 | E. Gurney, C. Levey, C.W. Peniston | Radiator | |
 | CA-34,491 | Jun. 09, 1890 | T. Northey | Automatic low water indicator | |
 | CA-35,992 | Feb. 16, 1891 | E. Gurney, C. Levey, C.W. Peniston | Radiator | |