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| Patents for E. W. Richards | |||||
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| Number | Date | Patentee | Title | Type | |
| 165,887 | Jul. 20, 1875 | A.G. Snyder | Improvement in machines for bending carriage poles | wood bending machines | |
| 211,975 | Feb. 04, 1879 | G.W. Dickinson | Micrometer Screw Gage | micrometers | |