Number | Date | Country | Kind |
---|---|---|---|
44 38 750.4 | Oct 1994 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2486619 | Troxler | Nov 1949 | |
2857849 | Pezzillo | Oct 1958 | |
4585963 | Wilkinson, Jr. et al. | Apr 1986 |
Number | Date | Country |
---|---|---|
0385298 | Sep 1982 | EPX |
0385298A3 | Sep 1990 | EPX |
0607515 | Jul 1994 | EPX |
89043383 | Aug 1989 | DEX |
3038298 | May 1992 | DEX |
4107049 | Sep 1992 | DEX |
93034709 | Jul 1994 | DEX |
2328653 | Feb 1995 | DEX |
Entry |
---|
Database WPI, Section CH, Week 7502 Derwent Publications, Ltd. London GB, Class A88, AN 7502201w. |