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| Patents for William Howard | |||||
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| Number | Title | Classification(s) | |||
| 5,281X | Railway carriage | ||||
| 5,306X | Improved locomotive carriages for railroads | ||||
| 6,515X | Carriage for railroads by which the flanges of the wheels are prevented from impinging on the rails | ||||
| 7,191X | Switches or turn-outs for railways | ||||
| 115,939 | Improvment in Corn Shellers | 460/52 | |||