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Patents for William Lang
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
268,107Nov. 28, 1882W. LangSpeed Indicator
527,207Oct. 09, 1894W. LangSpeed Measure for Shafting
734,738Jul. 28, 1903A.T. NelsonHammer for Tinner's Use
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