Number | Date | Country | Kind |
---|---|---|---|
39 31 236.4 | Sep 1989 | DEX | |
40 15 911.6 | May 1990 | DEX |
This is a divisional of Ser. No. 07/937,054 filed Aug. 26, 1992 which in turn is a Divisional of Ser. No. 07/585,310, filed Sep. 19, 1990, now U.S. Pat. No. 5,178,859.
Number | Date | Country |
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0492964 | Jul 1992 | EPX |
Number | Date | Country | |
---|---|---|---|
Parent | 937054 | Aug 1992 | |
Parent | 585310 | Sep 1990 |