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| Patents for F. W. Cadwell | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 198,945 | Jan. 08, 1878 | J.M. Johnson | Improvement in collapsible screw-taps | |
 | 386,853 | Jul. 31, 1888 | W.P. Sherman | Log-turner | |
 | 408,368 | Aug. 06, 1889 | W.G. Avery | Bevel | |