Number | Date | Country | Kind |
---|---|---|---|
2-30494 | Feb 1990 | JPX | |
2-129268 | May 1990 | JPX | |
2-238998 | Sep 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3887732 | Parker et al. | Jun 1975 | |
4371589 | Warner et al. | Feb 1983 | |
4588480 | Thoma | May 1986 | |
4761346 | Naik et al. | Aug 1988 | |
4820591 | Ramnarayanan | Apr 1989 | |
4857116 | Allam et al. | Aug 1989 | |
4863810 | Bhattacharya et al. | Sep 1989 | |
4902535 | Garg et al. | Feb 1990 | |
5009966 | Garg et al. | Apr 1991 |
Number | Date | Country |
---|---|---|
3321231 | Dec 1984 | DEX |
64-79397 | Mar 1989 | JPX |
Entry |
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Computer Search Printout locating the family members of German Patent (DE-C2) No. 3321-3231, Sep. 23, 1991. |