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| Patents Granted on 1845-09-17 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,194 | Sep. 17, 1845 | R.A. Stratton, T.S. Speakman | Apparatus for Boring Rocks or Earth | stone boring and drilling machines | |
| 4,195 | Sep. 17, 1845 | C. Bennett | Mortising-machine | mortising machines | |