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| Patents for E. R. Brown | |||||
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| Number | Date | Patentee | Title | Type | |
| 124,654 | Mar. 19, 1872 | L. Anderson | Improvement In Pipe-Wrenches | pipe tongs | |
| 180,054 | Jul. 18, 1876 | L.H. Olmsted | Improvement in plaiting-machines | cloth weaving machines | |
| 257,309 | May 02, 1882 | W. Ford | Scroll-sawing machine | scrollsaws | |
| 322,991 | Jul. 28, 1885 | F.L. Stowell | Knife eraser | combination cork extractors | |
| 420,331 | Jan. 28, 1890 | A.F. Brown | Rotary Engine | rotary steam engines | |