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| Patents for Clement Rentgen | |||||
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| Number | Date | Patentee | Title | Type | |
| 132X | Nov. 17, 1796 | C. Rentgen | Forging Bolts and Round Iron | blacksmith | |
| 1,327X | Jun. 27, 1810 | C. Rentgen | Rolling iron round for ship's bolts | ||