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| Patents for W. R. Davis | |||||
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| Number | Date | Patentee | Title | Type | |
| 378,584 | Feb. 28, 1888 | L.W. Cromer, G. Gavin | Wrench | screw adjust wrenches | |
| 393,903 | Dec. 04, 1888 | E.C. Thayer, E.W. Hemans | Vehicle Wrench | axle nut wrenches that lock nut to wheel hub | |
| 405,464 | Jun. 18, 1889 | W. Cook | Scale Measure | folding rule joints | |
| 441,522 | Nov. 25, 1890 | A. Watson | Threshold Gage | special purpose gauges | |
| 447,163 | Feb. 24, 1891 | J. Ryan | Screw Wrench | screw adjust wrenches | |
| 460,438 | Sep. 29, 1891 | A.C. Haunty | Combination Wrench Tool | combination tools | |