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| Patents for William M. Barr | |||||
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| Number | Date | Patentee | Title | Type | |
| 90,623 | May 25, 1869 | E. Andrews | Improvement in strap for saws | reciprocating saws | |
| 108,955 | Nov. 08, 1870 | W.M. Barr | Planer | metal planers | |