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| Patents for William Ballard | |||||
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| Picture | Number | Date | Patentee | Title | |
| 4,937X | Dec. 06, 1827 | W. Ballard | Machine for punching copper | ||
 | 10,854 | May 02, 1854 | W. Ballard | Making ship's knees | |
| AI146 | Jul. 01, 1856 | W. Ballard | Bulwarks for war vessels | ||