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Patents for John S. Woodward | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 2,227 | Aug. 21, 1841 | H. Allen | Cut-off valve for steam-engines | |
NS-78 | Jan. 15, 1862 | J.S. Woodward | Gold separator and amalgamator | ||
![]() | 81,811 | Sep. 01, 1868 | W.P. Miller | Improvement in saws | |
![]() | 81,812 | Sep. 01, 1868 | W.P. Miller | Improvement in saws | |
124,906 | Mar. 26, 1872 | W.P. Miller | Saw Gauges |