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| Patents for Samuel Johnston Shimer | |||||
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| Number | Date | Patentee | Title | Type | |
| 567,815 | Sep. 15, 1896 | S.J. Shimer | Cutter Head and Bit | cutterheads | |
| 607,709 | Jul. 19, 1898 | S.J. Shimer | Cutter-head | cutterheads | |
| CA-65,113 | Nov. 25, 1899 | S.J. Shimer | Cutter head | cutterheads | |