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Patents for J. B. Waring | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 85,217 | Dec. 22, 1868 | G.L. Cummings | Improved ice-cutter | |
![]() | 134,363 | Dec. 31, 1872 | G.L. Cummings | Improvement in grindstone-frames |