Number | Date | Country | Kind |
---|---|---|---|
9104850 | Apr 1991 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3487894 | Szigeti | Jan 1970 | |
3951240 | Dowell et al. | Apr 1976 | |
4702529 | Tobiasz | Oct 1987 | |
5046590 | Trema | Sep 1991 | |
5168963 | Poncini | Dec 1992 |
Number | Date | Country |
---|---|---|
0260412 | Mar 1988 | EPX |
0296667 | Dec 1988 | EPX |
1800549 | May 1970 | DEX |
2231915 | Jan 1973 | DEX |
2745283 | Apr 1979 | DEX |
4034224 | Feb 1992 | JPX |
2197924 | Jun 1988 | GBX |
Entry |
---|
Patent Abstracts of Japan, vol. 9, No. 213 (M-408) (1936), Aug. 30, 1985, 60-73134. |