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| Patents for Abner B. Crowell | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 101,084 | Mar. 22, 1870 | W. Bayley, A.B. Crowell | Improvement in turbine water-wheels | |
![]() | 115,681 | Jun. 06, 1871 | W. Bayley, A.B. Crowell | Improvement in water-wheels | |