Number | Date | Country | Kind |
---|---|---|---|
9-344585 | Dec 1997 | JPX | |
9-358766 | Dec 1997 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3747769 | Brumfield | Jul 1973 | |
4416777 | Kuroda et al. | Nov 1983 |
Number | Date | Country |
---|---|---|
0 806 475 A2 | Nov 1997 | EPX |
Entry |
---|
Patent Abstract of Japan; vol. 003, No. 142, JP 54-122714 A; Publ. date Sep. 22, 1979. |