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| Patents for C. & A. Hodgkins Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 119,764 | Oct. 10, 1871 | C. Hodgkins | Improvement in water-rams | hydraulic pumps | |
| 133,368 | Nov. 26, 1872 | C. Hodgkins | Improvement in water-rams | hydraulic pumps | |