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| Patents Granted on 1993-10-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,251,521 | Oct. 12, 1993 | D.A. Burda, M.D. Blackston | TORX-compatible elliptical driver | wrench set holders | |
| 5,251,739 | Oct. 12, 1993 | G. Tolocko | Automatic Framing System | workpiece changers and storage mechanisms | |