Number | Date | Country | Kind |
---|---|---|---|
2002-33084 | Jun 2002 | KR |
Number | Name | Date | Kind |
---|---|---|---|
931312 | Kahn | Aug 1909 | A |
2341245 | Sonntag | Feb 1944 | A |
3031946 | Watt et al. | May 1962 | A |
6291809 | Ha | Sep 2001 | B1 |
6470880 | Chang | Oct 2002 | B1 |
Number | Date | Country |
---|---|---|
2-286101 | Nov 1990 | JP |
6-137629 | May 1994 | JP |
Entry |
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U.S. patent application Ser. No. 10/225,344, Kim, filed Aug. 23, 2002, Samsung Electronics Co. Ltd. |