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| Patents for Charles H. Ballard | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 17,183 | Apr. 28, 1857 | M. Marshall | Method of reversing chisels of mortising-machines | |
 | 33,631 | Nov. 05, 1861 | C.H. Ballard | Improvement in breech-loading firearms | |
 | 63,605 | Apr. 09, 1867 | C.H. Ballard | Improvement in cartridge-ejector for breech-loading firearms | |
 | 126,519 | May 07, 1872 | O.R. Chaplin | Benchplane with Perforated Sole | |