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