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| Patents for T. K. Harlan | |||||
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| Number | Date | Patentee | Title | Type | |
| 977,387 | Nov. 29, 1910 | A.A. Harvie | Trowel | stonemason | |
| 992,500 | May 16, 1911 | A.A. Harvie | Mortising and Centering Device | drill accessories | |
| 1,008,261 | Nov. 07, 1911 | A.A. Harvie | Hardened Corners Process | carpenter squares | |