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| Patents for E. H. Parkins | |||||
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| Number | Date | Patentee | Title | Type | |
| 698,794 | Apr. 29, 1902 | G.W. Bufford | Chain Wrench | chain and strap wrenches | |
| 718,263 | Jan. 13, 1903 | W.C. Lipe | Broom-sewing machine | brushes or brooms | |
| 792,560 | Jun. 13, 1905 | W.H. Tenny | Wrench | screw adjust wrenches | |