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| Patents for Edward Howard | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,301 | Oct. 12, 1843 | E. Howard | Smut Machine | ||
| 463,506 | Nov. 17, 1891 | A.D. Goodell, H.E. Goodell | Automatic screw-driver | spiral screwdrivers | |