Number | Name | Date | Kind |
---|---|---|---|
4386822 | Bergh | Jul 1983 | |
4493528 | Shaw et al. | Jan 1985 | |
4637025 | Snitzer et al. | Jan 1987 | |
4676583 | Hicks, Jr. | Jun 1987 | |
4695123 | Chang et al. | Sep 1987 | |
4725113 | Chang et al. | Feb 1988 | |
4829529 | Kafka | May 1989 | |
4860294 | Winzer et al. | Aug 1989 | |
4874216 | Utaka et al. | Oct 1989 | |
4922496 | Po | May 1990 | |
4935930 | Handa | Jun 1990 | |
4946245 | Chamberlin et al. | Aug 1990 | |
4952059 | Desurvire et al. | Aug 1990 | |
4959837 | Fevrier et al. | Sep 1990 | |
4963177 | Najafi et al. | Oct 1990 | |
5016967 | Meltz et al. | May 1991 | |
5108183 | Fling et al. | Apr 1992 |
Number | Date | Country |
---|---|---|
0119977 | Mar 1984 | EPX |
0294037 | May 1988 | EPX |
Entry |
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