Number | Date | Country | Kind |
---|---|---|---|
2-278930 | Oct 1990 | JPX | |
2-400592 | Dec 1990 | JPX | |
2-418091 | Dec 1990 | JPX | |
3-53644 | Feb 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3899663 | Pirlet | Aug 1975 | |
4227812 | Pirlet | Oct 1980 | |
4227813 | Pirlet | Oct 1980 |
Number | Date | Country |
---|---|---|
3601386 | May 1987 | DEX |
3936513 | Apr 1991 | DEX |
26703 | Feb 1982 | JPX |
254304 | Oct 1990 | JPX |
Entry |
---|
Patent Abstracts of Japan, vol. 15, No. 005 (P-1149) Jan. 8, 1991, JP-A-2 254 304 (Sumimoto Metal Ind., Ltd.) Oct. 15, 1990. |
Patent Abstracts of Japan, vol. 8, No. 183 (P-296) Aug. 23, 1984, JP-A-59 075 110 (Daido Tokushuko KK). |
Patent Abstracts of Japan, vol. 5, No. 46 (P-54) Mar. 27, 1981, JP-A-56 001 305 (Sumimoto Metal Ind., Ltd.). |
Patent Abstracts of Japan, Vo. 5, No. 17 (P-47) Jan. 31, 1981, JP-A-55 147 303 (Nireko KK). |