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| Patents for John A. Schroeter | |||||
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| Number | Date | Patentee | Title | Type | |
| 644,079 | Feb. 27, 1900 | E. Huber | Attachment for tightening nuts | drill press accessories | |
| 726,930 | May 05, 1903 | E. Huber | Compensating Gearing | traction engine propulsion components | |