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| Patents for John Barr | |||||
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| Number | Date | Patentee | Title | Type | |
| 15,632 | Aug. 26, 1856 | D.N. Baird | Brace | brace handles | |
| 108,797 | Nov. 01, 1870 | G.W. Kearns | Improvement in sawing-machines | drag saws | |