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| Patents Granted on 1842-11-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| AI59 | Nov. 21, 1842 | J. Harrison, Jr. | Railroad car | ||
| 2,853 | Nov. 21, 1842 | W. Foster | Machine for cutting shingles | shingle machines | |
| 2,856 | Nov. 21, 1842 | C. Kittinger | Machine for veneering curved surfaces | veneer machines | |
| 2,860 | Nov. 21, 1842 | R.H. Henry | Machine for shaping the inner side or periphery of fellies of carriage-wheels | wheelwright | |