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| Patents Granted on 1852-03-23 | |||||
| Number | Date | Patentee | Title | Type | |
| 8,823 | Mar. 23, 1852 | J. Howarth | Planing-machine | wood planers | |
| 8,828 | Mar. 23, 1852 | J. McCollum | Cracker-Machine | ||
| 8,831 | Mar. 23, 1852 | W. Stoddard | Machine for jointing shingles | shingle machines | |