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| Patents for William F. Rupp | |||||
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| Number | Date | Patentee | Title | Type | |
| 404,781 | Jun. 04, 1889 | C.L. Dunham | Pipe Wrench | chain and strap wrenches | |
| 404,789 | Jun. 04, 1889 | C.L. Dunham | Pipe Wrench | chain and strap wrenches | |