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| Patents for J. Edward Ludington | |||||
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| Number | Date | Patentee | Title | Type | |
| 330,369 | Nov. 17, 1885 | G.A. Barnes | Wrench | screw adjust wrenches | |
| 333,618 | Jan. 05, 1886 | R.C. Ellrich | Pipe Cutter | ||
| 339,277 | Apr. 06, 1886 | J.R. Doolittle | Screw driver | spiral screwdrivers | |