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| Patents for Frank A. Headson | |||||
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| Number | Date | Patentee | Title | Type | |
| 765,007 | Jul. 12, 1904 | F.A. Headson | Pipe Wrench | pipe wrenches | |
| 819,428 | May 01, 1906 | F.A. Headson | Pipe Wrench | pipe wrenches | |