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| All Patents in class 29/11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 84,907 | Dec. 15, 1868 | H.M. Ritter | Riveting Hinges | riveting machines | |
| 184,248 | Nov. 14, 1876 | C. Lanz | Machines for Forming Strap Hinges | sheet metal bending machines | |