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| Patents for Rudolph Hines | |||||
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| Number | Date | Patentee | Title | Type | |
| 116,189 | Jun. 20, 1871 | R. Hines, L. Beyer | Improvement in machines for sharpening saws | saw sharpening machines | |
| 116,190 | Jun. 20, 1871 | R. Hines, L. Beyer | Improvement in machines for sharpening saws | saw sharpening machines | |