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| Patents for Jacob W. Riglander | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 441,977 | Dec. 02, 1890 | J.W. Riglander | Device for Mounting Countershafts | |
 | 443,869 | Dec. 30, 1890 | J.W. Riglander | Micrometer Gage | |