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| Patents for William H. Barwick | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 125,433 | Apr. 09, 1872 | W.T. Farre, W.H. Barwick | Improvement in Pipe Vises | |
 | 133,636 | Dec. 03, 1872 | W.T. Farre | Improvement in machines for bending tubing | |
| RE5,582 | Sep. 30, 1873 | W.T. Farre | Improvement in the methods of bending tubing | ||
 | 205,169 | Jun. 25, 1878 | W.H. Barwick | Combined Ice Tool | |