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| Patents for Roy C. Claflin | |||||
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| Number | Date | Patentee | Title | Type | |
| 749,632 | Jan. 12, 1904 | G.W. Rouse | Wrench Attachment | pipe jaw attachments for wrenches | |
| 771,169 | Sep. 27, 1904 | G. McKercher | Wrench | quick adjust wrenches | |