Number | Date | Country | Kind |
---|---|---|---|
2075/2000 | Dec 2000 | AT |
Number | Name | Date | Kind |
---|---|---|---|
4335261 | Ueda | Jun 1982 | A |
4769464 | Sajtos | Sep 1988 | A |
Number | Date | Country |
---|---|---|
0 034 738 | Sep 1981 | EP |
0 147 593 | Jul 1985 | EP |
Entry |
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Patent Abstracts of Japan, vol. 9, No. 309 (C-318), Abstract of JP 60-146843 (1985). |