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| Patents for Bruce A. Mackey | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,681,673 | Jun. 22, 1954 | B.A. Mackey | Drill bit | wood drill bits | |
| 2,752,965 | Jul. 03, 1956 | B.A. Mackey | Drill bit construction | wood drill bits | |