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| Patents for Hiram A. Pitts | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 8,172X | Apr. 28, 1834 | J.A. Pitts, H.A. Pitts | Endless chain pump | |
 | 8,362X | Aug. 15, 1834 | J.A. Pitts, H.A. Pitts | Chain band for horse power | |
 | 542 | Dec. 29, 1837 | H.A. Pitts, J.A. Pitts | Machine for Thrashing and Separating Grain | |
| 2,268 | Sep. 25, 1841 | H.A. Pitts | Construction of Beehives | ||
| 4,024 | May 01, 1845 | H.A. Pitts | Cutting and Crushing Corn | ||