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| Patents for H. T. Blake | |||||
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| Number | Date | Patentee | Title | Type | |
| 61,549 | Jan. 29, 1867 | W.H. May | Imitation of open carving in wood | wood compressing machines | |
| 68,698 | Sep. 10, 1867 | A.B. Lawther, C. Coester, Jr. | Edge Tool Grinder | tool grinders | |