Number | Date | Country | Kind |
---|---|---|---|
3724069 | Jul 1987 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
1971928 | Zallea | Aug 1934 | |
2707117 | Fentress et al. | Apr 1955 | |
2748803 | Guarnaschelli | Jun 1956 | |
2894535 | Hansen | Jul 1959 | |
3842865 | Torricelli | Oct 1974 | |
4298295 | Bozzo et al. | Nov 1981 | |
4497342 | Wenzel et al. | Feb 1985 | |
4686963 | Cohen et al. | Aug 1987 | |
4791963 | Gronert et al. | Dec 1988 |
Number | Date | Country |
---|---|---|
2080195 | Nov 1971 | FRX |
Entry |
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WIPO Publication WO86/04660. |