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| Patents for Edward M. Madden Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 147,609 | Feb. 17, 1874 | W. Clemson | Improvement in saws | saw teeth | |
| 170,181 | Nov. 23, 1875 | W. Millspaugh | Improvement in Butchers' Saws | ||