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| Patents for Elisha B. Rich | |||||
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| Number | Date | Patentee | Title | Type | |
| 409,337 | Aug. 20, 1889 | E.B. Rich | Machine for grinding knives and saws | sharpening machines | |
| 438,861 | Oct. 21, 1890 | E.B. Rich | Saw-swaging machine | saw sharpening machines | |