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| Patents for L. L. Crane | |||||
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| Number | Date | Patentee | Title | Type | |
| 55,412 | Jun. 05, 1866 | L.L. Crane | Turning Lathe | metal lathes | |
| 64,408 | May 07, 1867 | L.L. Crane | Improved Forging Machine | forging dies | |