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| Patents for John Sorenz | |||||
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| Number | Date | Patentee | Title | Type | |
| 252,111 | Jan. 10, 1882 | C.E. McBeth, J.M. Long | Punching-machine | metal punching machines | |
| 252,760 | Jan. 24, 1882 | G.A. Gray, Jr. | Engine Lathe | metal lathes | |