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| Patents for E. B. Howard | |||||
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| Number | Date | Patentee | Title | Type | |
| 212,448 | Feb. 18, 1879 | H.H. Dunlevy | Improvement in machines for crozing and chamfering staves | barrel making machines | |
| 249,784 | Nov. 22, 1881 | G.L. Muhn | Gage for mortising-machines | mortising machines | |