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| Patents for John T. Schrott | |||||
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| Number | Date | Patentee | Title | Type | |
| 876,789 | Jan. 14, 1908 | W. Erdmann | Blade Clamp for Scraper Plane | scraper planes | |
| 1,046,638 | Dec. 10, 1912 | A. Petersen | Valve Spring Compressor | valve spring tools | |