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| Patents for Joshua B. Barnes | |||||
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| Number | Date | Patentee | Title | Type | |
| 65,465 | Jun. 04, 1867 | J.B. Barnes | Improvement in Pipe and Stud-Wrenches | self-adjust wrenches | |
| 78,176 | May 26, 1868 | J.B. Barnes | Improvement in Wrenches | pipe wrenches | |
| D34,837 | Jul. 23, 1901 | J.B. Barnes | Wrench For Stay Bolts For Boiler Sheets | wrenches | |
| D34,838 | Jul. 23, 1901 | J.B. Barnes | Wrench For Stay Bolts For Boiler Sheets | wrenches | |
| 680,560 | Aug. 13, 1901 | J.B. Barnes | Stay-Bolt Thimble Wrench | wrenches | |