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| Patents Granted on 2002-04-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 6,375,209 | Apr. 23, 2002 | P.E. Schlangen | Powered wheelchair | ||
| 6,375,397 | Apr. 23, 2002 | H.K. Lotz | Continuous Steel Casting Installation with Deburrer for Cutting Burrs and Cutting Beads on Slabs, Blooms and Billets | deburring apparatus | |