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| Patents for John E. Sinclair | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 108,840 | Nov. 01, 1870 | J.E. Sinclair | Improvement in Vises | |
 | 140,852 | Jul. 15, 1873 | J.E. Sinclair | Improvement in clamps | |
 | 166,553 | Aug. 10, 1875 | L.L. Pollard | Improvement in Hand Vises | |
 | 349,007 | Sep. 14, 1886 | J.E. Sinclair | Ratchet Wrench | |
 | 470,954 | Mar. 15, 1892 | J.E. Sinclair | Ratchet Wrench | |
 | 743,942 | Nov. 10, 1903 | J.E. Sinclair | Ratchet Wrench | |