Number | Date | Country | Kind |
---|---|---|---|
43 33 547.0 | Oct 1993 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3711392 | Metzger | Jan 1973 | |
3937675 | Gruntfest et al. | Feb 1976 | |
4597872 | Andersson | Jul 1986 | |
4933283 | Chen et al. | Jun 1990 | |
5295985 | Romesser et al. | Mar 1994 |
Number | Date | Country |
---|---|---|
0133846 | Jul 1984 | EPX |
0154713 | Nov 1980 | DEX |
Entry |
---|
European Search Report, No. 94114771.2, Feb. 3, 1995. |