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| Patents for Henry A. Riemann | |||||
| Number | Date | Patentee | Title | Type | |
| 447,160 | Feb. 24, 1891 | R.L. Patterson | Machine for dressing floors or the surface of lumber | sanding machines | |
| 521,769 | Jun. 19, 1894 | H.A. Riemann | Mitering-machine | miter machines | |