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| Patents for William H. C. Higgins Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 856,638 | Jun. 11, 1907 | W.H. Higgins, Jr. | Carbureter | carburetors | |
| 1,300,392 | Apr. 15, 1919 | W.H. Higgins, Jr. | Plow Lift | plows | |