Number | Date | Country | Kind |
---|---|---|---|
2-401926 | Dec 1990 | JPX | |
3-148987 | Jun 1991 | JPX | |
3-148988 | Jun 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4018033 | Schmidt | Apr 1977 | |
4337935 | Sawada et al. | Jul 1982 | |
4523752 | Kigawa et al. | Jun 1985 | |
4763891 | Kodama | Aug 1988 | |
4872660 | Kameyama et al. | Oct 1989 | |
4991830 | Yamanaka et al. | Feb 1991 |
Number | Date | Country |
---|---|---|
0415425 | Mar 1991 | EPX |
3027146 | Feb 1981 | DEX |
198239 | Nov 1984 | JPX |
124449 | Jun 1986 | JPX |
124450 | Jun 1986 | JPX |
171720 | Jul 1988 | JPX |
2069467 | Aug 1981 | GBX |
Entry |
---|
Patent Abstract of JP-A-1 281 242, Nov. 13, 1989. |