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| Patents for Herbert Howard | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,032,758 | Jul. 16, 1912 | T. Lumsden | Tool and like grinding machine | tool grinders | |
| 1,269,272 | Jun. 11, 1918 | A.B. Floback | Device for Sharpening Knives, Scissors, and Like Cutting Implements | scissor sharpeners | |