Number | Date | Country | Kind |
---|---|---|---|
3518975 | May 1985 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4295183 | Miersch et al. | Oct 1981 | |
4402135 | Schueingrubar et al. | Sep 1983 | |
4403107 | Hoffman | Sep 1983 | |
4433009 | Henze et al. | Feb 1984 | |
4604799 | Gurol | Aug 1986 | |
4614837 | Kane et al. | Sep 1986 |
Number | Date | Country |
---|---|---|
268304 | Apr 1964 | AUX |
Entry |
---|
Western Electric, Tech Digest No. 15, Jul. 1969, Mayer pp. 15-16. |