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| Patents for George C. Barnes | |||||
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| Number | Date | Patentee | Title | Type | |
| 25,423 | Sep. 13, 1859 | A. Lafever | Board Measure | ||
| 26,998 | Jan. 31, 1860 | G.C. Barnes, A. Lafever | Back-center for lathes | wood lathes | |
| 33,425 | Oct. 08, 1861 | G.C. Barnes | Improvement in sawmills | circular sawmills | |