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Patents for Laurence T. Dickinson | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 82,399 | Sep. 22, 1868 | L.T. Dickinson, C. Gilpin | Improvement in rossing-machines | |
![]() | 82,400 | Sep. 22, 1868 | L.T. Dickinson, C. Gilpin | Improvement in rossing-machines |