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| Patents for B. F. Cummins Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 409,324 | Aug. 20, 1889 | C.C. Hill | Perforating-stamp | |
 | 433,003 | Jul. 29, 1890 | C.C. Hill | Perforating-stamp | |
 | 475,440 | May 24, 1892 | J. Stenwall, Jr., B.F. Cummins | Perforating, dating, and receipting stamp | |
 | 486,858 | Nov. 29, 1892 | B.F. Cummins | Perforating-stamp | |