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| Patents Granted on 1993-05-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,209,144 | May 11, 1993 | G. Lu | Dual-Purpose Quickly Adjustable Wrench | pipe and nut combination wrenches | |
| 5,213,456 | May 25, 1993 | L.G. Lee | Plug cutter | ||
| 5,213,468 | May 25, 1993 | V.J. Beaty, J.H. Sexton | Bearing Flushing System | rotary pumps | |
| 5,213,913 | May 25, 1993 | M.A. Norris, E.S. Wahoski, A.M. Philip, III | Latching Arrangement for Battery Pack | ||