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| Patents for J. J. Spilker | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 212,409 | Feb. 18, 1879 | J.J. Spilker | Improvement in miter-machines | |
 | 334,816 | Jan. 26, 1886 | J.J. Spilker | Vise | |
 | 490,514 | Jan. 24, 1893 | J.J. Spilker | Miter-box | |