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| Patents for J. Paul Mayer | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 297,492 | Apr. 22, 1884 | C. Bovensiep | Calipers | |
 | 390,807 | Oct. 09, 1888 | O. Schimansky | Machine for planing hoops | |
 | 407,841 | Jul. 30, 1889 | O. Schimansky | Machine for cutting hoops | |
| 417,519 | Dec. 17, 1889 | L.T. Southworth | Paving-block-cutting machine | ||