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| Patents for John A. Schroeter | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 644,079 | Feb. 27, 1900 | E. Huber | Attachment for tightening nuts | |
![]() | 726,930 | May 05, 1903 | E. Huber | Compensating Gearing | |