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| Patents Granted on 1839-05-__ | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,140 | May 03, 1839 | G. Page | Auger for boring earth | augers | |
| 1,142 | May 03, 1839 | H. Branch | Machine for cutting staves, Blind-slats, laths, &c., from solid blocks or bolts | barrel making machines | |
| XC-160 | May 10, 1839 | D. Scrimger | A new method of applying lever to the working gear of saw mills | sawmills | |