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| Patents for John Lawrence | |||||
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| Number | Date | Patentee | Title | Type | |
| 39,996 | Sep. 15, 1863 | J. Lawrence | Improvement in pressure-blocks for planing-machines | wood planers | |
| 179,926 | Jul. 18, 1876 | J. Lawrence | Improvement in cutter-heads | cutterheads | |