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| Patents for William M. Ferry | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 113,865 | Apr. 18, 1871 | W.M. Ferry | Improvement in saw-mills | |
 | 113,866 | Apr. 18, 1871 | W.M. Ferry | Improvement in saw-mills | |
 | 139,142 | May 20, 1873 | W.M. Ferry, O.H. Gronberg | Improvement in edging-machines | |
 | 158,693 | Jan. 12, 1875 | W.M. Ferry | Improvement in saw-mill dogs | |
 | 173,907 | Feb. 22, 1876 | J. Collins | Improvement in saw-guides for circular-saw mills | |
 | 173,927 | Feb. 22, 1876 | W.M. Ferry | Improvement in saw-guides for circular-saw mills | |