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All Patents in class 100/135 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 22,802 | Feb. 01, 1859 | I.A. Hedges | Improvement in Mills for Grinding Cane, &c. | |
1,456,257 | May 22, 1923 | F.E. Stevenson | Press |