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| Patents for Edwin H. Pratt | |||||
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| Number | Date | Patentee | Title | Type | |
| 438,860 | Oct. 21, 1890 | H.L. Pratt | Auger-Handle | auger handles | |
| 502,996 | Aug. 08, 1893 | H.L. Pratt | Hack-saw machine | metal sawing machines | |