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Patents for William Lang | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 268,107 | Nov. 28, 1882 | W. Lang | Speed Indicator | |
![]() | 527,207 | Oct. 09, 1894 | W. Lang | Speed Measure for Shafting | |
![]() | 734,738 | Jul. 28, 1903 | A.T. Nelson | Hammer for Tinner's Use |