| Number | Date | Country | Kind |
|---|---|---|---|
| 90217459.2 | Aug 1990 | CNX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 3829917 | De Laittre et al. | Aug 1974 | |
| 4330892 | Fukushima | May 1982 | |
| 4509219 | Yagi | Apr 1985 | |
| 4903356 | Morisaki | Feb 1990 | |
| 4924542 | Yamaguchi | May 1990 | |
| 5035017 | Komuro | Jul 1991 | |
| 5105490 | Shok | Apr 1992 |
| Number | Date | Country |
|---|---|---|
| 2032055U | Feb 1989 | CNX |
| 2044145U | Sep 1989 | CNX |
| 2045599U | Oct 1989 | CNX |
| 2323851 | Nov 1974 | DEX |
| Entry |
|---|
| English translation of Chinese Patent No. CN 2044145U. (Abstract and claim 1 only). |
| English translation of Chinese Patent No. CN 2045599U. (Abstract and claim 1 only). |
| English translation of Chinese Patent No. CN 2032055U. (Abstract and claim 1 only). |