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| Patents Granted on 1852-07-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| AI102 | Jul. 20, 1852 | J. Senneff | Loom harness heddle | ||
| 9,130 | Jul. 20, 1852 | A. Bradway | Machine for shaving shingles | shingle machines | |
| 9,134 | Jul. 20, 1852 | E.B. Forbush | Improvement in grain and grass harvesters | harvesters | |