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| Patents Granted on 1849-05-01 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,404 | May 01, 1849 | W.M. Shaw, E. Gould | Printing paper-hangings | ||
| 6,419 | May 01, 1849 | C. Mowry | Machinery for jointing and cutting staves | cooper | |