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| Patents for William H. Banfield | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 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 | |