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| Patents for J. Michels & Co. | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 222,297 | Dec. 02, 1879 | J. Michels | Improvement in hoop sawing and finishing machines | |
![]() | 239,730 | Apr. 05, 1881 | C.E. Chittenden | Hoop-cutting machine | |