Number | Date | Country | Kind |
---|---|---|---|
87.200954.3 | May 1987 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
2746135 | Harris | May 1956 | |
2870526 | Adler | Jan 1959 | |
4143209 | Gerspacher et al. | Mar 1979 | |
4255496 | Haemers | Mar 1981 | |
4304113 | Takei et al. | Dec 1981 | |
4347290 | Haemers | Aug 1982 | |
4446198 | Shemenski et al. | May 1984 | |
4502595 | Trobitsyn et al. | Mar 1985 | |
4525430 | Bourgois | Jun 1985 | |
4606392 | Weidenhaupt et al. | Aug 1986 | |
4645718 | Dambre | Feb 1987 | |
4651513 | Dambre | Mar 1987 | |
4677033 | Coopens et al. | Jun 1987 | |
4679387 | Weidenhaupt et al. | Jun 1987 | |
4683175 | Bakowell et al. | Jun 1987 | |
4704337 | Coppens et al. | Nov 1987 | |
4704337 | Coppens et al. | Nov 1987 | |
4737392 | Dambre | Apr 1988 | |
4759806 | Dambre | Jul 1988 | |
4807680 | Weidenhaupt et al. | Feb 1989 | |
4828000 | Lievens et al. | May 1989 | |
4829760 | Dambre | May 1989 |
Number | Date | Country |
---|---|---|
0009846 | Apr 1980 | EPX |
56-96977 | Aug 1981 | JPX |
Entry |
---|
Research Disclosure, vol. 177, No. 125, Sep. 1974, p. 13, Abstract No. 12517. |