| Number | Date | Country | Kind |
|---|---|---|---|
| 95 02471 | Mar 1995 | FRX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 1979978 | Martin | Nov 1934 | |
| 2375338 | Alexander | May 1945 | |
| 2769475 | Fisher | Nov 1956 | |
| 2845155 | Sneyd-Kynnersley | Jul 1958 | |
| 3128855 | Hoffman et al. | Apr 1964 | |
| 3198300 | Tuttle | Aug 1965 | |
| 3982613 | Wood | Sep 1976 | |
| 4508202 | Siegert et al. | Apr 1985 | |
| 5027874 | Gazzola | Jul 1991 | |
| 5147019 | Vanhooreweder et al. | Sep 1992 | |
| 5294029 | Shimura et al. | Mar 1994 | |
| 5533600 | Van Himbeeck et al. | Jul 1996 | |
| 5555960 | Bartsch | Sep 1996 |
| Number | Date | Country |
|---|---|---|
| 0 298 947 A3 | Jan 1989 | EPX |
| 2 139 578 | Jan 1973 | FRX |
| 2608388 | Jun 1988 | FRX |
| 2645416 | Oct 1990 | FRX |
| 94 06 969 | Oct 1994 | DEX |
| 2238955 | Jun 1991 | GBX |
| 2276148 | Sep 1994 | GBX |
| 9215219 | Sep 1992 | WOX |
| 9324029 | Dec 1993 | WOX |
| Entry |
|---|
| European Search Report-EPO Appln No. 96 40 0427.9 Jun. 20, 1996. |