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| Patents for L. L. Richmond | |||||
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| Number | Date | Patentee | Title | Type | |
| 144,359 | Nov. 04, 1873 | E. Sahm | Improvement in Carpenters' Gages | marking gauges | |
| 385,834 | Jul. 10, 1888 | W.N. Barrett | Corkscrew | cork extractors | |