Number | Name | Date | Kind |
---|---|---|---|
4844509 | Kasprzak et al. | Jul 1989 | |
4889982 | Young et al. | Dec 1989 | |
5083816 | Folga et al. | Jan 1992 | |
5253246 | Leonhardt et al. | Oct 1993 | |
5303214 | Kulakowski et al. | Apr 1994 | |
5412194 | Melbye et al. | May 1995 |
Number | Date | Country |
---|---|---|
3314783 | Oct 1984 | DEX |
88698 | Apr 1989 | JPX |
3692 | Oct 1983 | WOX |
Entry |
---|
Section 4.6 code 39 pp. 31-35. |