Number | Date | Country | Kind |
---|---|---|---|
94 01812 | Feb 1994 | FRX | |
94 03659 | Mar 1994 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
1332386 | Dwyer | Mar 1920 | |
3651503 | Kono | Mar 1972 | |
3709145 | Williamson | Jan 1973 | |
4262591 | Cook | Apr 1981 | |
4347525 | Moore et al. | Aug 1982 | |
5168814 | Kuzuya et al. | Dec 1992 | |
5302034 | Kitazawa | Apr 1994 |
Number | Date | Country |
---|---|---|
0366148A2 | May 1990 | EPX |
0473137A2 | Mar 1992 | EPX |
1508988 | Apr 1978 | GBX |
Entry |
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Patent Abstracts of Japan, vol. 7, No. 98 (M-210) Apr. 26, 1983 & JP-A-58 022 252 (Tokyo Shibaura Denki KK). |