| Number | Date | Country | Kind |
|---|---|---|---|
| 41 40 117.4 | Dec 1991 | DEX | |
| 41 40 541.2 | Dec 1991 | DEX | |
| 42 03 279.2 | Feb 1992 | DEX | |
| 42 03 794.8 | Feb 1992 | DEX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4730038 | Meininger et al. | Mar 1988 | |
| 5021558 | Buch | Jun 1991 | |
| 5075428 | Jager | Dec 1991 |
| Number | Date | Country |
|---|---|---|
| 0065732 | Dec 1982 | EPX |
| 0079562 | May 1983 | EPX |
| 0085025 | Aug 1983 | EPX |
| 0085654 | Aug 1983 | EPX |
| 0094055 | Nov 1983 | EPX |
| 0307817 | Mar 1989 | EPX |
| 0356681 | Mar 1990 | EPX |
| 46-41432 | Dec 1971 | JPX |
| 9109914 | Jul 1991 | WOX |
| Entry |
|---|
| Abstract of JP 91-055513 (Aug. 1991). |
| Abstract of JP 1-104,661 (Apr. 1989). |
| Abstract of JP 92-10508 (Feb. 1992). |
| Abstract of JP 92-24391 (Apr. 1992). |