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| Patents for John Lawrence | |||||
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| Number | Title | Classification(s) | |||
| 5,575 | Machinery for making moldings | 144/114.1, 144/246.1, 144/373, 211/14, 217/25.5, 217/26.5 | |||
| 39,996 | Improvement in pressure-blocks for planing-machines | 144/243 | |||
| 179,926 | Improvement in cutter-heads | 144/224 | |||