Number | Name | Date | Kind |
---|---|---|---|
2541597 | Midling | Feb 1951 | A |
5346063 | Chow | Sep 1994 | A |
5598924 | McCann | Feb 1997 | A |
6360892 | Chen | Mar 2002 | B1 |
6401923 | Huang | Jun 2002 | B1 |
20030141266 | Lin | Jul 2003 | A1 |
Entry |
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US 2003/0141266 A1 , Jul. 31, 2003, Lin, 211/70.6. |