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| Patents for Frederick H. Kanning | |||||
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| Number | Date | Patentee | Title | Type | |
| 777,955 | Dec. 20, 1904 | F.H. Kanning | Wrench | angle adjustable wrenches | |
| 841,692 | Jan. 22, 1907 | F.H. Kanning | Wrench | angle adjustable wrenches | |