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| Patents for J. C. Schroeder | |||||
| Number | Date | Patentee | Title | Type | |
| 194,638 | Aug. 28, 1877 | W.C. Barker | Improvement in machines for boring pump-logs | wood drilling and boring | |
| 206,795 | Aug. 06, 1878 | A.H. Jarecki | Pipe-Tongs | pipe tongs | |