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| Patents for A. R. Abbott | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 67,181 | Jul. 30, 1867 | W. Groves, J. Farrar | Improvement in moulds for casting metal | |
| 86,144 | Jan. 26, 1869 | L.F. Whiting, J. Farrar | Flask for molding pipe | ||
| 86,145 | Jan. 26, 1869 | L.F. Whiting, J. Farrar | Lining for metal casting molds | ||
 | 97,818 | Dec. 14, 1869 | S. Scholfield | Improvement in Twist-Drills | |