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| Patents for William Copp | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,536,627 | Jan. 02, 1951 | W. Copp | Woodworking machine blade guard | jointers | |
| 2,575,250 | Nov. 13, 1951 | W. Copp | Woodworking tool fence supporting structure | jointers | |
| 2,617,453 | Nov. 11, 1952 | W. Copp | Jig saw | scrollsaws | |