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| Patents for Justus Roe | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 387,541 | Aug. 07, 1888 | J. Roe | Reel for tape measures, fishing-lines, & c. | |
 | 431,484 | Jul. 01, 1890 | J. Roe | Folding Draftsman's Triangle | |
 | 475,470 | May 24, 1892 | J. Roe | Tape measure reel | |