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| Patents for Frederick C. Blanchard | |||||
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| Number | Date | Patentee | Title | Type | |
| 963,986 | Jul. 12, 1910 | F.C. Blanchard | Combination drill and valve-grinder | eggbeater drills | |
| 1,607,604 | Nov. 23, 1926 | F.C. Blanchard | Valve Handle | valves | |
| 1,676,473 | Jul. 10, 1928 | F.C. Blanchard | Lubricator | tool lubricators | |