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| Patents for G. E. Harpham | |||||
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| Number | Date | Patentee | Title | Type | |
| 729,728 | Jun. 02, 1903 | F.D. Bullard | Pipe Wrench | self-adjust wrenches | |
| 733,138 | Jul. 07, 1903 | F.D. Bullard | Pipe-Wrench | self-adjust wrenches | |
| 742,389 | Oct. 27, 1903 | F.D. Bullard | Pipe-Wrench | self-adjust wrenches | |
| 755,587 | Mar. 22, 1904 | W. Ulses | Wooden Scraper Plane with Curved Wedge | scraper planes | |