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| Patents for Marion Richards | |||||
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| Number | Date | Patentee | Title | Type | |
| 668,693 | Feb. 26, 1901 | G.E. Spurr | Vehicle-Nut Wrench | axle nut wrenches that lock nut to wheel hub | |
| 687,401 | Nov. 26, 1901 | C.M. Morse | Screw-Driver | screwdriver handles | |