Number | Date | Country | Kind |
---|---|---|---|
3903698 | Feb 1989 | DEX | |
3916838 | May 1989 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3388536 | Nash | Jun 1968 | |
3397518 | Rogers | Aug 1968 | |
3531920 | Hart | Oct 1970 | |
3941571 | Getzin | Mar 1976 | |
4041203 | Brock et al. | Aug 1977 | |
4268290 | Barrington | May 1981 | |
4547950 | Thompson | Oct 1985 | |
4615804 | Wright | Oct 1986 | |
4619675 | Watanabe | Oct 1986 |
Number | Date | Country |
---|---|---|
1930715 | Nov 1970 | DEX |
2138412 | Mar 1973 | DEX |
2813356 | Oct 1978 | DEX |
2922237 | Dec 1979 | DEX |
2835181 | Sep 1984 | DEX |
8704427 | Jul 1987 | DEX |
8390002 | Nov 1987 | DEX |
1059010 | Mar 1954 | FRX |
2427123 | Dec 1979 | FRX |
Entry |
---|
European Search Report for Application No. EP 90250039, dated Apr. 26, 1990. |