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| Patents for Walter Black | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 564,587 | Jul. 28, 1896 | W. Black | Sandpapering-machine | |
 | 565,875 | Aug. 18, 1896 | W. Black | Machine for cutting pulley-stile pockets | |
 | 605,774 | Jun. 14, 1898 | W. Black | Mortising-machine | |
 | 662,390 | Nov. 27, 1900 | W. Black | Mortising-machine | |
 | 718,972 | Jan. 27, 1903 | W. Black | Mortising-machine | |
 | 732,160 | Jun. 30, 1903 | J. Black | Clamp | |
 | 869,688 | Oct. 29, 1907 | J. Black | Sandpapering-machine | |