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Patents for Alfred Box | |||||
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Picture | Number | Date | Patentee | Title | |
184,060 | Nov. 07, 1876 | A. Box | Radial Drill | ||
![]() | 199,955 | Feb. 05, 1878 | A. Box | Improvement in screw hoisting-pulley apparatus | |
![]() | 283,857 | Aug. 28, 1883 | A. Box | Radial drilling-machine |