Number | Date | Country | Kind |
---|---|---|---|
196 09 991 | Mar 1996 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2944812 | Winkler et al. | Jul 1960 | |
3199864 | Irvine | Aug 1965 | |
3281144 | Turner et al. | Oct 1966 | |
4043551 | Morrison et al. | Aug 1977 | |
4062538 | Stange et al. | Dec 1977 | |
5374053 | Doucet et al. | Dec 1994 |
Number | Date | Country |
---|---|---|
876527 | May 1953 | DEX |
1761435 | Oct 1970 | DEX |
2650438 | Jun 1977 | DEX |
4114479 | Dec 1992 | DEX |
57-4853 | Jan 1982 | JPX |
3-259860 | Nov 1991 | JPX |
Entry |
---|
Looney, John Copy Sheet Registration System, Xerox Disclosure Journal. vol., No. 5, pp. 85-86, May 1976. |