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2795579 | Docri | Jun 1957 | |
3879376 | Vanlerberghe et al. | Apr 1975 | |
3953608 | Vanlerberghe et al. | Apr 1976 | |
4031025 | Vanlerberghe et al. | Jun 1977 | |
4336070 | Koshugi | Jun 1982 | |
4365050 | Ivani | Dec 1982 | |
4424346 | Hall et al. | Jan 1984 | |
4528283 | Lang et al. | Jul 1985 | |
4532267 | Allan | Jul 1985 | |
4542014 | Bresak et al. | Sep 1985 | |
4574150 | Austin | Mar 1986 | |
4613502 | Turkova et al. | Sep 1986 | |
4619995 | Hayes | Oct 1986 | |
4659700 | Jackson | Apr 1987 | |
4772689 | Lang et al. | Sep 1988 | |
4774091 | Yamahira et al. | Sep 1988 | |
4780310 | Lang et al. | Oct 1988 | |
4921949 | Lang et al. | May 1990 | |
4929722 | Partain, III et al. | May 1990 | |
4946870 | Partain, III et al. | Aug 1990 | |
4973680 | Billmers | Nov 1990 | |
4997643 | Partain, III et al. | Mar 1991 | |
5378472 | Muzzarelli | Jan 1995 |
Number | Date | Country |
---|---|---|
0198246 | Oct 1986 | EPX |
106409 | Jun 1989 | JPX |
2107340 | Oct 1981 | GBX |
Entry |
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