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Patents for John S. Woodward | |||||
Number | Date | Patentee | Title | Type | |
2,227 | Aug. 21, 1841 | H. Allen | Cut-off valve for steam-engines | steam engine valve gear | |
NS-78 | Jan. 15, 1862 | J.S. Woodward | Gold separator and amalgamator | ore processing apparatus | |
81,811 | Sep. 01, 1868 | W.P. Miller | Improvement in saws | insertable saw teeth | |
81,812 | Sep. 01, 1868 | W.P. Miller | Improvement in saws | saw teeth | |
124,906 | Mar. 26, 1872 | W.P. Miller | Saw Gauges | saw gauges |