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| Patents for E. E. Gibson | |||||
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| Number | Date | Patentee | Title | Type | |
| 91,387 | Jun. 15, 1869 | A. Vaughan | Improved post auger | ||
| 107,861 | Oct. 04, 1870 | W. Bowman | Improvement in circular-saw mills | circular sawmills | |
| 108,326 | Oct. 18, 1870 | J.C. Butterfield, J. Hay | Improvement in trip-hammers | drop hammers | |