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| Patents for Emma J. Bennett | |||||
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| Number | Date | Patentee | Title | Type | |
| 429,088 | May 27, 1890 | E.O. Ely | Pipe Wrench | pipe wrenches | |
| 430,994 | Jun. 24, 1890 | E.O. Ely | Pipe-Wrench | chain and strap wrenches | |
| 449,722 | Apr. 07, 1891 | A.C. Whittier | Wrench for Pipe-Work | screw adjust wrenches | |
| 495,912 | Apr. 18, 1893 | J. Roberts | Cutter-head hood for planers or matchers | planers | |
| 502,199 | Jul. 25, 1893 | C.G. Osteman | Bevel | bevels | |
| 558,766 | Apr. 21, 1896 | C.W. Blood | Pump | ||