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| Patents for Dalphon L. Gibbs | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 14,564 | Apr. 01, 1856 | E. Joslin | Improved mortising-machine | |
 | 35,420 | May 27, 1862 | E. Joslin, D.L. Gibbs | Improvement in hub-mortising machines | |
 | D3,189 | Sep. 01, 1868 | D.L. Gibbs | Design for base of a mortising-machine | |
 | 86,389 | Feb. 02, 1869 | D.L. Gibbs | Improvement in mortising-machines | |
 | 120,737 | Nov. 07, 1871 | D.L. Gibbs | Improvement in mortising-machines | |
 | 149,466 | Apr. 07, 1874 | D.L. Gibbs | Improvement in mortising-machines | |