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| Patents for Warren W. Barker | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 15,768 | Sep. 23, 1856 | D. Lamson | Machine for notching hoops | |
![]() | 16,225 | Dec. 16, 1856 | C.H. Brown | Method of planing and tapering wooden hoops | |