Number | Date | Country | Kind |
---|---|---|---|
196 13 931 | Apr 1996 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2550503 | Turnbull | Apr 1951 | |
2765286 | Goldberg | Oct 1956 | |
4532295 | Brabetz et al. | Jul 1985 | |
4542184 | Eck et al. | Sep 1985 | |
4560724 | Brabetz et al. | Dec 1985 | |
4654388 | Lofgren | Mar 1987 | |
4731402 | Penzel et al. | Mar 1988 | |
4975481 | Tamm et al. | Dec 1990 | |
5196468 | Schwerzel et al. | Mar 1993 | |
5322731 | Callahan, Jr. et al. | Jun 1994 | |
5534571 | Aydin et al. | Jul 1996 |
Number | Date | Country |
---|---|---|
2 301 497 | Aug 1973 | DEX |
Entry |
---|
TRGS 610/GISCODE, Jul. (1994), pp. 32-35. |