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| Patents for J. W. Johnson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 211,943 | Feb. 04, 1879 | W.L. Sweetland | Improvement in lathe-chucks | |
 | 216,615 | Jun. 17, 1879 | N.L. Holmes | Improvement in axle-skeins for vehicles | |