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| Patents for E. Richard | |||||
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| Number | Date | Patentee | Title | Type | |
| 35,719 | Jun. 24, 1862 | J. Vendrand | Plane Cutter Adustment with Stirrups | plane cutter adjustments | |
| 103,701 | May 31, 1870 | L.F. Arson | Improvement in Correcting the Deviation of the Mariners' Compass | ||