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| Patents for L. D. Williams | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,723 | Aug. 14, 1840 | W.L. Harley | Machine for boring and mortising in chair seats, legs, and arms | drilling and boring | |
| 2,782 | Sep. 17, 1842 | A.H. Hard | Machine for cutting shingles | shingle machines | |