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| Patents for Carrie L. Collins | |||||
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| Number | Date | Patentee | Title | Type | |
| 130,194 | Aug. 06, 1872 | M.W. Collins | Improvement in machines for mortising blind-stiles | mortising machines | |
| 152,079 | Jun. 16, 1874 | M.W. Collins | Improvement in mortising-machines | mortising machines | |