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| Patents for Stephen L'Hommedieu | |||||
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| Number | Date | Patentee | Title | Type | |
| 851 | Jul. 24, 1838 | E. L'Hommedieu, R.N. Watrous | Machinery for manufacturing double-twist screw-augers | tool making machines | |
| RE72 | Jul. 30, 1845 | E. L'Hommedieu | Improvement in machinery for manufacturing double-twist screw-augers | drill bits | |