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| Patents for A. B. Mars | |||||
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| Number | Date | Patentee | Title | Type | |
| 672,852 | Apr. 23, 1901 | J.B. Barnes | Flexible Stay-Bolt | ||
| 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 | |