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| Patents for Andrew R. Arnold | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,913X | Apr. 13, 1830 | E. Harris, A.R. Arnold | Revolving burr temples | textile machines | |
| 44,037 | Aug. 30, 1864 | A.R. Arnold | Improved machine for making twist-drills | tool making machines | |
| RE3,588 | Aug. 10, 1869 | A.R. Arnold | Improved machine for making twist-drills | tool making machines | |