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| Patents for Edward T. Lufkin | |||||
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| Number | Date | Patentee | Title | Type | |
| 149,321 | Apr. 07, 1874 | E.T. Lufkin | Improvement in Board Measures | lumber rules | |
| 272,279 | Feb. 13, 1883 | E.T. Lufkin | Headed Lumber Rule | lumber rules | |
| 272,892 | Feb. 27, 1883 | E.T. Lufkin | Machine for forming and dressing lumber-rules | tool making machines | |