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| Patents for Edward M. Madden | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 29,671 | Aug. 21, 1860 | W. Clemson | Tempering Saws | |
 | 101,229 | Mar. 29, 1870 | W. Clemson | Improvement in Saw Gauges | |
 | RE4,096 | Aug. 09, 1870 | J.H. Tuttle | Improvement in Saws | |
 | 116,269 | Jun. 27, 1871 | W. Clemson | Improvement in Saw Frames | |