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| Patents for Albert Stone | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | RE1,946 | May 02, 1865 | W. Trapp, Jr. | Improvement in barrel-machinery | |
![]() | RE1,947 | May 02, 1865 | W. Trapp, Jr. | Improvement in barrel-machinery | |