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| Patents for Frank Schreidt | |||||
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| Number | Date | Patentee | Title | Type | |
| 373,612 | Nov. 22, 1887 | F. Schreidt | Machine for Upsetting Carriage Irons | ||
| 373,613 | Nov. 22, 1887 | F. Schreidt | Machine for Rolling Tops of Carriage Irons | ||
| 373,614 | Nov. 22, 1887 | F. Schreidt | Machine for Upsetting Carriage Top Irons | ||