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| Patents for William H. Banfield | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-9,823 | Apr. 08, 1879 | W.H. Banfield | Improvements on fire kindlers | ||
| CA-224,694 | Oct. 10, 1922 | W.H. Banfield | Manufacture of piston rings | metalworking machines | |