Number | Date | Country | Kind |
---|---|---|---|
98/45345 | Oct 1998 | KR |
Number | Name | Date | Kind |
---|---|---|---|
4626892 | Nortrup | Dec 1986 | A |
5237417 | Hayashi | Aug 1993 | A |
5774187 | Tsunoda | Jun 1998 | A |
Number | Date | Country |
---|---|---|
7-15767 | Jan 1995 | JP |
7-312729 | Nov 1995 | JP |
Entry |
---|
Korean Patent Office Action, dated Apr. 18, 2001. |