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| Patents for Daniel L. Hart | |||||
| Number | Date | Patentee | Title | Type | |
| 15,768 | Sep. 23, 1856 | D. Lamson | Machine for notching hoops | hoop making machines | |
| 16,225 | Dec. 16, 1856 | C.H. Brown | Method of planing and tapering wooden hoops | hoop making machines | |