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| Patents Granted on 1838-06-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 801 | Jun. 21, 1838 | J.S. Harris | Machine for filing handsaws | saw sharpening machines | |
| BE-1,051 | Jun. 21, 1838 | A. Sax | Bass clarinet | musical instruments | |