Number | Date | Country | Kind |
---|---|---|---|
4-013334 | Jan 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3439473 | Focke et al. | Apr 1969 | |
3789576 | Giles | Feb 1974 | |
3923142 | Rysti | Dec 1975 | |
3992855 | Palmieri et al. | Nov 1976 | |
4886912 | Deutsch | Sep 1989 | |
4999970 | Bamrungbhuet et al. | Mar 1991 | |
5046258 | Cahill et al. | Sep 1991 |
Number | Date | Country |
---|---|---|
0295557 | Dec 1988 | EPX |
61-39251 | Sep 1986 | JPX |
285109 | Mar 1990 | JPX |
Entry |
---|
Patent Abstracts of Japan No. 61-39251 (Laid-Open No. 57-131624), Sep. 1986. |
English Language Abstract of European Patent 295,557; Dec. 1988. |