Number | Name | Date | Kind |
---|---|---|---|
2772800 | Brady | Dec 1956 | |
3015402 | Norton et al. | Jan 1962 | |
3272364 | Mindrum et al. | Sep 1966 | |
4029229 | Hobson | Jun 1977 | |
4936732 | Naab et al. | Jun 1990 |
Number | Date | Country |
---|---|---|
0235784 | Apr 1985 | EPX |
1059353 | Jun 1959 | DEX |
1882477 | Sep 1963 | DEX |
1919085 | Jul 1965 | DEX |
3024659 | Feb 1982 | DEX |
3543224 | Oct 1986 | DEX |
3902177 | Jun 1990 | DEX |
1545555 | May 1979 | GBX |
Entry |
---|
Soviet Inventions Illustrated of Feb. 22, 1984. |
Containerrumschlag Derwent Publications Ltd. DE-Z: Fordern und Heben 37, 1987 Nr. 12, S. 892 FIGS. 7,9. |
European Search Report of Mar. 21, 1990. |