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| Patents for Frank S. Blanchard | |||||
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| Number | Date | Patentee | Title | Type | |
| 268,408 | Dec. 05, 1882 | W.W. Jackson | Wrench For Bung Bushings | wrenches | |
| 309,389 | Dec. 16, 1884 | W.P. Heffron | Wrench | quick adjust wrenches | |
| 699,803 | May 13, 1902 | M. Monehan, P. Dorner | Fruit-Can Opener | jar wrenches | |
| 802,674 | Oct. 24, 1905 | A. Anderson | Protractor | protractors | |