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| Patents for Melvin Barber | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 603,825 | May 10, 1898 | M. Barber | Bit-stock | |
| 639,842 | Dec. 26, 1899 | M. Barber, L.F. Kramer | Bit-stock | ||
 | 722,665 | Mar. 17, 1903 | M. Barber | Wrench | |
| 800,258 | Sep. 26, 1905 | M. Barber | Tool Holder | ||