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| Patents for Emma A. S. Dopp | |||||
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| Number | Date | Patentee | Title | Type | |
| 219,830 | Sep. 23, 1879 | J. Ross | Improvement in matcher-heads | cutterheads | |
| 225,010 | Mar. 02, 1880 | C. Hammelmann | Velocipede | bicycles and tricycles | |