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| Patents for Ralph H. Boynton | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 52,130 | Jan. 23, 1866 | R.H. Boynton | Improvement in spoke-machines | |
 | RE4,109 | Aug. 30, 1870 | R.H. Boynton | Spoke machine | |
 | 108,439 | Oct. 18, 1870 | R.H. Boynton, H.S. Boynton | Improvement in machines for dressing spokes | |
 | 173,441 | Feb. 15, 1876 | R.H. Boynton | Improvement in machines for dressing spokes | |