Number | Date | Country | Kind |
---|---|---|---|
59-99302 | May 1984 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3520285 | Klauder | Jul 1970 | |
4386512 | Rehag et al. | Jun 1983 |
Number | Date | Country |
---|---|---|
183991 | Apr 1955 | DEX |
2126059 | Dec 1972 | DEX |
2443575 | Aug 1980 | FRX |
Entry |
---|
Evans et al., WO82/01913, 6-1982, pp. 1-20. |