| Patents for Dalphon L. Gibbs |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 14,564 | Apr. 01, 1856 | E. Joslin | Improved mortising-machine | mortising machines |
| 35,420 | May 27, 1862 | E. Joslin, D.L. Gibbs | Improvement in hub-mortising machines | mortising machines |
| D3,189 | Sep. 01, 1868 | D.L. Gibbs | Design for base of a mortising-machine | mortising machines |
| 86,389 | Feb. 02, 1869 | D.L. Gibbs | Improvement in mortising-machines | mortising machines |
| 120,737 | Nov. 07, 1871 | D.L. Gibbs | Improvement in mortising-machines | mortising machines |
| 149,466 | Apr. 07, 1874 | D.L. Gibbs | Improvement in mortising-machines | mortising machines |
