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| Patents for Edward Dummer | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 207,810 | Sep. 10, 1878 | J.G. Alexander, H. Kean | Improvement in hanging circular saws | |
 | 209,995 | Nov. 19, 1878 | G.A. Walker | Improvement in paper-cutting machines | |
 | 271,128 | Jan. 23, 1883 | J.W. Romans | Center Square & Bevel | |
 | 291,235 | Jan. 01, 1884 | W.E. Sibley | Pencil-sharpener | |