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| Patents for G. W. Knotts | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 285,171 | Sep. 18, 1883 | E.G. Sheward, J. Gresham | Injector or Ejector | |
 | 290,106 | Dec. 11, 1883 | H. Port | Convertible Tool | |