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| Patents for Arthur B. Farquhar | |||||
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| Number | Date | Patentee | Title | Type | |
| 140,355 | Jul. 01, 1873 | A.B. Farquhar | Improvement in machinery for making plow-handles | specialty woodworking machines | |
| 168,469 | Oct. 05, 1875 | A.B. Farquhar | Improvement in horse-powers | animal powered apparatus | |
| 298,169 | May 06, 1884 | A.P. Broomell | Steering Gear for Traction Engines | traction engine steering apparatus | |
| 345,580 | Jul. 13, 1886 | B.M. Root, H.W. Eisenhart, A.B. Farquhar | Fertilizer-distributor | ||