Number | Date | Country | Kind |
---|---|---|---|
42 41 565.9 | Dec 1992 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3757689 | Koch et al. | Sep 1973 | |
4130057 | List et al. | Dec 1978 | |
4856425 | Kobler | Aug 1989 | |
4913048 | Tittgemeyer | Apr 1990 | |
5230284 | Kelm | Jul 1993 | |
5241905 | Guaraldi et al. | Sep 1993 |
Number | Date | Country |
---|---|---|
543117 | Mar 1930 | DEX |
3715536 | Dec 1988 | DEX |
9110806 | Nov 1991 | DEX |
9115598 | Jun 1992 | DEX |
Entry |
---|
Copy of European Search Report (4 pages). |